1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2247cb52daSJeff Bonwick * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23420dfc95SChris Siden * Copyright (c) 2012 by Delphix. All rights reserved. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 27fa9e4066Sahrens /* 28fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 29fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 30fa9e4066Sahrens * 31fa9e4066Sahrens * The overall design of the ztest program is as follows: 32fa9e4066Sahrens * 33fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 34fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 35fa9e4066Sahrens * we have a simple routine to test that functionality. These 36fa9e4066Sahrens * individual routines do not have to do anything "stressful". 37fa9e4066Sahrens * 38fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 39fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 40fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 41fa9e4066Sahrens * 42fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 43fa9e4066Sahrens * verify that self-healing data really works. 44fa9e4066Sahrens * 45fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 46fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 47fa9e4066Sahrens * in which checksum they use and whether they're compressed. 48fa9e4066Sahrens * 49fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 50fa9e4066Sahrens * we run the entire test in a child of the main process. 51fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 52fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 53fa9e4066Sahrens * The parent then runs the test again, using the existing 54420dfc95SChris Siden * storage pool, as many times as desired. If backwards compatability 55420dfc95SChris Siden * testing is enabled ztest will sometimes run the "older" version 56420dfc95SChris Siden * of ztest after a SIGKILL. 57fa9e4066Sahrens * 58fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 59fa9e4066Sahrens * many of the functional tests record the transaction group number 60fa9e4066Sahrens * as part of their data. When reading old data, they verify that 61fa9e4066Sahrens * the transaction group number is less than the current, open txg. 62fa9e4066Sahrens * If you add a new test, please do this if applicable. 63fa9e4066Sahrens * 64fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 65fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 66fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 67fa9e4066Sahrens * 68fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 69fa9e4066Sahrens * 70fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 71fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 72fa9e4066Sahrens * 73420dfc95SChris Siden * Use the -k option to set the desired frequency of kills. 74420dfc95SChris Siden * 75420dfc95SChris Siden * When ztest invokes itself it passes all relevant information through a 76420dfc95SChris Siden * temporary file which is mmap-ed in the child process. This allows shared 77420dfc95SChris Siden * memory to survive the exec syscall. The ztest_shared_hdr_t struct is always 78420dfc95SChris Siden * stored at offset 0 of this file and contains information on the size and 79420dfc95SChris Siden * number of shared structures in the file. The information stored in this file 80420dfc95SChris Siden * must remain backwards compatible with older versions of ztest so that 81420dfc95SChris Siden * ztest can invoke them during backwards compatibility testing (-B). 82fa9e4066Sahrens */ 83fa9e4066Sahrens 84fa9e4066Sahrens #include <sys/zfs_context.h> 85fa9e4066Sahrens #include <sys/spa.h> 86fa9e4066Sahrens #include <sys/dmu.h> 87fa9e4066Sahrens #include <sys/txg.h> 882fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 89fa9e4066Sahrens #include <sys/zap.h> 90fa9e4066Sahrens #include <sys/dmu_objset.h> 91fa9e4066Sahrens #include <sys/poll.h> 92fa9e4066Sahrens #include <sys/stat.h> 93fa9e4066Sahrens #include <sys/time.h> 94fa9e4066Sahrens #include <sys/wait.h> 95fa9e4066Sahrens #include <sys/mman.h> 96fa9e4066Sahrens #include <sys/resource.h> 97fa9e4066Sahrens #include <sys/zio.h> 98fa9e4066Sahrens #include <sys/zil.h> 99b24ab676SJeff Bonwick #include <sys/zil_impl.h> 100fa9e4066Sahrens #include <sys/vdev_impl.h> 101e14bb325SJeff Bonwick #include <sys/vdev_file.h> 102fa9e4066Sahrens #include <sys/spa_impl.h> 10388ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 104fa9e4066Sahrens #include <sys/dsl_prop.h> 1054f5064b7SMark J Musante #include <sys/dsl_dataset.h> 106*3b2aab18SMatthew Ahrens #include <sys/dsl_destroy.h> 1073f9d6ad7SLin Ling #include <sys/dsl_scan.h> 108cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 109fa9e4066Sahrens #include <sys/refcount.h> 110ad135b5dSChristopher Siden #include <sys/zfeature.h> 111*3b2aab18SMatthew Ahrens #include <sys/dsl_userhold.h> 112fa9e4066Sahrens #include <stdio.h> 113004388ebScasper #include <stdio_ext.h> 114fa9e4066Sahrens #include <stdlib.h> 115fa9e4066Sahrens #include <unistd.h> 116fa9e4066Sahrens #include <signal.h> 117fa9e4066Sahrens #include <umem.h> 118fa9e4066Sahrens #include <dlfcn.h> 119fa9e4066Sahrens #include <ctype.h> 120fa9e4066Sahrens #include <math.h> 121fa9e4066Sahrens #include <sys/fs/zfs.h> 122b24ab676SJeff Bonwick #include <libnvpair.h> 123fa9e4066Sahrens 124741652b0SEtienne Dechamps static int ztest_fd_data = -1; 125741652b0SEtienne Dechamps static int ztest_fd_rand = -1; 126420dfc95SChris Siden 127420dfc95SChris Siden typedef struct ztest_shared_hdr { 128420dfc95SChris Siden uint64_t zh_hdr_size; 129420dfc95SChris Siden uint64_t zh_opts_size; 130420dfc95SChris Siden uint64_t zh_size; 131420dfc95SChris Siden uint64_t zh_stats_size; 132420dfc95SChris Siden uint64_t zh_stats_count; 133420dfc95SChris Siden uint64_t zh_ds_size; 134420dfc95SChris Siden uint64_t zh_ds_count; 135420dfc95SChris Siden } ztest_shared_hdr_t; 136420dfc95SChris Siden 137420dfc95SChris Siden static ztest_shared_hdr_t *ztest_shared_hdr; 138420dfc95SChris Siden 139420dfc95SChris Siden typedef struct ztest_shared_opts { 140420dfc95SChris Siden char zo_pool[MAXNAMELEN]; 141420dfc95SChris Siden char zo_dir[MAXNAMELEN]; 142420dfc95SChris Siden char zo_alt_ztest[MAXNAMELEN]; 143420dfc95SChris Siden char zo_alt_libpath[MAXNAMELEN]; 144420dfc95SChris Siden uint64_t zo_vdevs; 145420dfc95SChris Siden uint64_t zo_vdevtime; 146420dfc95SChris Siden size_t zo_vdev_size; 147420dfc95SChris Siden int zo_ashift; 148420dfc95SChris Siden int zo_mirrors; 149420dfc95SChris Siden int zo_raidz; 150420dfc95SChris Siden int zo_raidz_parity; 151420dfc95SChris Siden int zo_datasets; 152420dfc95SChris Siden int zo_threads; 153420dfc95SChris Siden uint64_t zo_passtime; 154420dfc95SChris Siden uint64_t zo_killrate; 155420dfc95SChris Siden int zo_verbose; 156420dfc95SChris Siden int zo_init; 157420dfc95SChris Siden uint64_t zo_time; 158420dfc95SChris Siden uint64_t zo_maxloops; 159420dfc95SChris Siden uint64_t zo_metaslab_gang_bang; 160420dfc95SChris Siden } ztest_shared_opts_t; 161420dfc95SChris Siden 162420dfc95SChris Siden static const ztest_shared_opts_t ztest_opts_defaults = { 163420dfc95SChris Siden .zo_pool = { 'z', 't', 'e', 's', 't', '\0' }, 164420dfc95SChris Siden .zo_dir = { '/', 't', 'm', 'p', '\0' }, 165420dfc95SChris Siden .zo_alt_ztest = { '\0' }, 166420dfc95SChris Siden .zo_alt_libpath = { '\0' }, 167420dfc95SChris Siden .zo_vdevs = 5, 168420dfc95SChris Siden .zo_ashift = SPA_MINBLOCKSHIFT, 169420dfc95SChris Siden .zo_mirrors = 2, 170420dfc95SChris Siden .zo_raidz = 4, 171420dfc95SChris Siden .zo_raidz_parity = 1, 172420dfc95SChris Siden .zo_vdev_size = SPA_MINDEVSIZE, 173420dfc95SChris Siden .zo_datasets = 7, 174420dfc95SChris Siden .zo_threads = 23, 175420dfc95SChris Siden .zo_passtime = 60, /* 60 seconds */ 176420dfc95SChris Siden .zo_killrate = 70, /* 70% kill rate */ 177420dfc95SChris Siden .zo_verbose = 0, 178420dfc95SChris Siden .zo_init = 1, 179420dfc95SChris Siden .zo_time = 300, /* 5 minutes */ 180420dfc95SChris Siden .zo_maxloops = 50, /* max loops during spa_freeze() */ 181420dfc95SChris Siden .zo_metaslab_gang_bang = 32 << 10 182420dfc95SChris Siden }; 183420dfc95SChris Siden 184420dfc95SChris Siden extern uint64_t metaslab_gang_bang; 185420dfc95SChris Siden extern uint64_t metaslab_df_alloc_threshold; 186420dfc95SChris Siden 187420dfc95SChris Siden static ztest_shared_opts_t *ztest_shared_opts; 188420dfc95SChris Siden static ztest_shared_opts_t ztest_opts; 189420dfc95SChris Siden 190420dfc95SChris Siden typedef struct ztest_shared_ds { 191420dfc95SChris Siden uint64_t zd_seq; 192420dfc95SChris Siden } ztest_shared_ds_t; 193420dfc95SChris Siden 194420dfc95SChris Siden static ztest_shared_ds_t *ztest_shared_ds; 195420dfc95SChris Siden #define ZTEST_GET_SHARED_DS(d) (&ztest_shared_ds[d]) 196fa9e4066Sahrens 197b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 198420dfc95SChris Siden #define MAXFAULTS() \ 199420dfc95SChris Siden (MAX(zs->zs_mirrors, 1) * (ztest_opts.zo_raidz_parity + 1) - 1) 200b24ab676SJeff Bonwick 201b24ab676SJeff Bonwick enum ztest_io_type { 202b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 203b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 204b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 205b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 206b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 20780901aeaSGeorge Wilson ZTEST_IO_REWRITE, 208b24ab676SJeff Bonwick ZTEST_IO_TYPES 209b24ab676SJeff Bonwick }; 210b24ab676SJeff Bonwick 211e05725b1Sbonwick typedef struct ztest_block_tag { 212b24ab676SJeff Bonwick uint64_t bt_magic; 213e05725b1Sbonwick uint64_t bt_objset; 214e05725b1Sbonwick uint64_t bt_object; 215e05725b1Sbonwick uint64_t bt_offset; 216b24ab676SJeff Bonwick uint64_t bt_gen; 217e05725b1Sbonwick uint64_t bt_txg; 218b24ab676SJeff Bonwick uint64_t bt_crtxg; 219e05725b1Sbonwick } ztest_block_tag_t; 220e05725b1Sbonwick 221b24ab676SJeff Bonwick typedef struct bufwad { 222b24ab676SJeff Bonwick uint64_t bw_index; 223b24ab676SJeff Bonwick uint64_t bw_txg; 224b24ab676SJeff Bonwick uint64_t bw_data; 225b24ab676SJeff Bonwick } bufwad_t; 226b24ab676SJeff Bonwick 227b24ab676SJeff Bonwick /* 228b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 229b24ab676SJeff Bonwick */ 230b24ab676SJeff Bonwick typedef enum { 231b24ab676SJeff Bonwick RL_READER, 232b24ab676SJeff Bonwick RL_WRITER, 233b24ab676SJeff Bonwick RL_APPEND 234b24ab676SJeff Bonwick } rl_type_t; 235b24ab676SJeff Bonwick 236b24ab676SJeff Bonwick typedef struct rll { 237b24ab676SJeff Bonwick void *rll_writer; 238b24ab676SJeff Bonwick int rll_readers; 239b24ab676SJeff Bonwick mutex_t rll_lock; 240b24ab676SJeff Bonwick cond_t rll_cv; 241b24ab676SJeff Bonwick } rll_t; 242b24ab676SJeff Bonwick 243b24ab676SJeff Bonwick typedef struct rl { 244b24ab676SJeff Bonwick uint64_t rl_object; 245b24ab676SJeff Bonwick uint64_t rl_offset; 246b24ab676SJeff Bonwick uint64_t rl_size; 247b24ab676SJeff Bonwick rll_t *rl_lock; 248b24ab676SJeff Bonwick } rl_t; 249b24ab676SJeff Bonwick 250b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 251b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 252b24ab676SJeff Bonwick 253b24ab676SJeff Bonwick /* 254b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 255b24ab676SJeff Bonwick */ 256b24ab676SJeff Bonwick typedef struct ztest_od { 257b24ab676SJeff Bonwick uint64_t od_dir; 258b24ab676SJeff Bonwick uint64_t od_object; 259b24ab676SJeff Bonwick dmu_object_type_t od_type; 260b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 261b24ab676SJeff Bonwick uint64_t od_blocksize; 262b24ab676SJeff Bonwick uint64_t od_crblocksize; 263b24ab676SJeff Bonwick uint64_t od_gen; 264b24ab676SJeff Bonwick uint64_t od_crgen; 265b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 266b24ab676SJeff Bonwick } ztest_od_t; 267fa9e4066Sahrens 268b24ab676SJeff Bonwick /* 269b24ab676SJeff Bonwick * Per-dataset state. 270b24ab676SJeff Bonwick */ 271b24ab676SJeff Bonwick typedef struct ztest_ds { 272420dfc95SChris Siden ztest_shared_ds_t *zd_shared; 273b24ab676SJeff Bonwick objset_t *zd_os; 274c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 275b24ab676SJeff Bonwick zilog_t *zd_zilog; 276b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 277b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 278b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 279b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 280b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 281b24ab676SJeff Bonwick } ztest_ds_t; 282b24ab676SJeff Bonwick 283b24ab676SJeff Bonwick /* 284b24ab676SJeff Bonwick * Per-iteration state. 285b24ab676SJeff Bonwick */ 286b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 287b24ab676SJeff Bonwick 288b24ab676SJeff Bonwick typedef struct ztest_info { 289b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 290b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 291b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 292b24ab676SJeff Bonwick } ztest_info_t; 293fa9e4066Sahrens 294420dfc95SChris Siden typedef struct ztest_shared_callstate { 295420dfc95SChris Siden uint64_t zc_count; /* per-pass count */ 296420dfc95SChris Siden uint64_t zc_time; /* per-pass time */ 297420dfc95SChris Siden uint64_t zc_next; /* next time to call this function */ 298420dfc95SChris Siden } ztest_shared_callstate_t; 299420dfc95SChris Siden 300420dfc95SChris Siden static ztest_shared_callstate_t *ztest_shared_callstate; 301420dfc95SChris Siden #define ZTEST_GET_SHARED_CALLSTATE(c) (&ztest_shared_callstate[c]) 302420dfc95SChris Siden 303fa9e4066Sahrens /* 304fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 305fa9e4066Sahrens */ 306fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 307fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 308fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 309d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 310fa9e4066Sahrens ztest_func_t ztest_zap; 311fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 312b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 313c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 314b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 315fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 316b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 317b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 318fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 319b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 320b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 321fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 322fa9e4066Sahrens ztest_func_t ztest_fault_inject; 323b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 324b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 325e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 326b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 327b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 328fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 329fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 330fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 331e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 3321195e687SMark J Musante ztest_func_t ztest_split_pool; 333e9103aaeSGarrett D'Amore ztest_func_t ztest_reguid; 33425345e46SGeorge Wilson ztest_func_t ztest_spa_upgrade; 335fa9e4066Sahrens 336b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 337b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 338b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 339b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 340b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 341fa9e4066Sahrens 342fa9e4066Sahrens ztest_info_t ztest_info[] = { 343e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 344b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 345e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 346b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 347e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 348e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3491195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 350b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 351c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 352b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 353b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 354b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 355b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 356b24ab676SJeff Bonwick #if 0 357b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 358b24ab676SJeff Bonwick #endif 359b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 360b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 361b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 362e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 363b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3645c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 365e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 366e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 367b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 36825345e46SGeorge Wilson { ztest_spa_upgrade, 1, &zopt_rarely }, 369b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 370*3b2aab18SMatthew Ahrens { ztest_vdev_attach_detach, 1, &zopt_sometimes }, 371e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 372420dfc95SChris Siden { ztest_vdev_add_remove, 1, 373420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 374420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 375420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 376fa9e4066Sahrens }; 377fa9e4066Sahrens 378fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 379fa9e4066Sahrens 380d20e665cSRicardo M. Correia /* 381d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 382d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 383d20e665cSRicardo M. Correia */ 384d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 385d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 386d20e665cSRicardo M. Correia list_t zcl_callbacks; 387d20e665cSRicardo M. Correia } ztest_cb_list_t; 388d20e665cSRicardo M. Correia 389fa9e4066Sahrens /* 390fa9e4066Sahrens * Stuff we need to share writably between parent and child. 391fa9e4066Sahrens */ 392fa9e4066Sahrens typedef struct ztest_shared { 393420dfc95SChris Siden boolean_t zs_do_init; 394b24ab676SJeff Bonwick hrtime_t zs_proc_start; 395b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 396b24ab676SJeff Bonwick hrtime_t zs_thread_start; 397b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 398b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 399b24ab676SJeff Bonwick uint64_t zs_enospc_count; 40088ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 401e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 402fa9e4066Sahrens uint64_t zs_alloc; 403fa9e4066Sahrens uint64_t zs_space; 4041195e687SMark J Musante uint64_t zs_splits; 4051195e687SMark J Musante uint64_t zs_mirrors; 406420dfc95SChris Siden uint64_t zs_metaslab_sz; 407420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 408420dfc95SChris Siden uint64_t zs_guid; 409fa9e4066Sahrens } ztest_shared_t; 410fa9e4066Sahrens 411b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 412b24ab676SJeff Bonwick 413fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 414e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 415b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 416fa9e4066Sahrens 417420dfc95SChris Siden static spa_t *ztest_spa = NULL; 418420dfc95SChris Siden static ztest_ds_t *ztest_ds; 419420dfc95SChris Siden 420420dfc95SChris Siden static mutex_t ztest_vdev_lock; 421dfbb9432SGeorge Wilson 422dfbb9432SGeorge Wilson /* 423dfbb9432SGeorge Wilson * The ztest_name_lock protects the pool and dataset namespace used by 424dfbb9432SGeorge Wilson * the individual tests. To modify the namespace, consumers must grab 425dfbb9432SGeorge Wilson * this lock as writer. Grabbing the lock as reader will ensure that the 426dfbb9432SGeorge Wilson * namespace does not change while the lock is held. 427dfbb9432SGeorge Wilson */ 428420dfc95SChris Siden static rwlock_t ztest_name_lock; 429fa9e4066Sahrens 430420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 431e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4320a4e9518Sgw 433d20e665cSRicardo M. Correia /* Global commit callback list */ 434d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 435d20e665cSRicardo M. Correia 436b24ab676SJeff Bonwick enum ztest_object { 437b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 438b24ab676SJeff Bonwick ZTEST_DIROBJ, 439b24ab676SJeff Bonwick ZTEST_OBJECTS 440b24ab676SJeff Bonwick }; 441fa9e4066Sahrens 4421ce825d8Sraf static void usage(boolean_t) __NORETURN; 443f1b4288bSvb 444fa9e4066Sahrens /* 445fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 446fa9e4066Sahrens * debugging facilities. 447fa9e4066Sahrens */ 448fa9e4066Sahrens const char * 449fa9e4066Sahrens _umem_debug_init() 450fa9e4066Sahrens { 451fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 452fa9e4066Sahrens } 453fa9e4066Sahrens 454fa9e4066Sahrens const char * 455fa9e4066Sahrens _umem_logging_init(void) 456fa9e4066Sahrens { 457fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 458fa9e4066Sahrens } 459fa9e4066Sahrens 460fa9e4066Sahrens #define FATAL_MSG_SZ 1024 461fa9e4066Sahrens 462fa9e4066Sahrens char *fatal_msg; 463fa9e4066Sahrens 464fa9e4066Sahrens static void 465fa9e4066Sahrens fatal(int do_perror, char *message, ...) 466fa9e4066Sahrens { 467fa9e4066Sahrens va_list args; 468fa9e4066Sahrens int save_errno = errno; 469fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 470fa9e4066Sahrens 471fa9e4066Sahrens (void) fflush(stdout); 472fa9e4066Sahrens 473fa9e4066Sahrens va_start(args, message); 474fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 475fa9e4066Sahrens /* LINTED */ 476fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 477fa9e4066Sahrens va_end(args); 478fa9e4066Sahrens if (do_perror) { 479fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 480fa9e4066Sahrens ": %s", strerror(save_errno)); 481fa9e4066Sahrens } 482fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 483fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 484fa9e4066Sahrens if (ztest_dump_core) 485fa9e4066Sahrens abort(); 486fa9e4066Sahrens exit(3); 487fa9e4066Sahrens } 488fa9e4066Sahrens 489fa9e4066Sahrens static int 490fa9e4066Sahrens str2shift(const char *buf) 491fa9e4066Sahrens { 492fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 493fa9e4066Sahrens int i; 494fa9e4066Sahrens 495fa9e4066Sahrens if (buf[0] == '\0') 496fa9e4066Sahrens return (0); 497fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 498fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 499fa9e4066Sahrens break; 500fa9e4066Sahrens } 501f1b4288bSvb if (i == strlen(ends)) { 502f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 503f1b4288bSvb buf); 504f1b4288bSvb usage(B_FALSE); 505f1b4288bSvb } 506fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 507fa9e4066Sahrens return (10*i); 508fa9e4066Sahrens } 509f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 510f1b4288bSvb usage(B_FALSE); 511f1b4288bSvb /* NOTREACHED */ 512fa9e4066Sahrens } 513fa9e4066Sahrens 514fa9e4066Sahrens static uint64_t 515fa9e4066Sahrens nicenumtoull(const char *buf) 516fa9e4066Sahrens { 517fa9e4066Sahrens char *end; 518fa9e4066Sahrens uint64_t val; 519fa9e4066Sahrens 520fa9e4066Sahrens val = strtoull(buf, &end, 0); 521fa9e4066Sahrens if (end == buf) { 522f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 523f1b4288bSvb usage(B_FALSE); 524fa9e4066Sahrens } else if (end[0] == '.') { 525fa9e4066Sahrens double fval = strtod(buf, &end); 526fa9e4066Sahrens fval *= pow(2, str2shift(end)); 527f1b4288bSvb if (fval > UINT64_MAX) { 528f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 529f1b4288bSvb buf); 530f1b4288bSvb usage(B_FALSE); 531f1b4288bSvb } 532fa9e4066Sahrens val = (uint64_t)fval; 533fa9e4066Sahrens } else { 534fa9e4066Sahrens int shift = str2shift(end); 535f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 536f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 537f1b4288bSvb buf); 538f1b4288bSvb usage(B_FALSE); 539f1b4288bSvb } 540fa9e4066Sahrens val <<= shift; 541fa9e4066Sahrens } 542fa9e4066Sahrens return (val); 543fa9e4066Sahrens } 544fa9e4066Sahrens 545fa9e4066Sahrens static void 546f1b4288bSvb usage(boolean_t requested) 547fa9e4066Sahrens { 548420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 549420dfc95SChris Siden 550fa9e4066Sahrens char nice_vdev_size[10]; 551fa9e4066Sahrens char nice_gang_bang[10]; 552f1b4288bSvb FILE *fp = requested ? stdout : stderr; 553fa9e4066Sahrens 554420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 555420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 556fa9e4066Sahrens 557f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 558fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 559fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5602215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 561fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 562fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 56399653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 564fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 565fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 566fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5672215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5682215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 569fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5702215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5712215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5722215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5732215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5742215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5752215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 576420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 577f1b4288bSvb "\t[-h] (print help)\n" 578fa9e4066Sahrens "", 579420dfc95SChris Siden zo->zo_pool, 580420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5810a4e9518Sgw nice_vdev_size, /* -s */ 582420dfc95SChris Siden zo->zo_ashift, /* -a */ 583420dfc95SChris Siden zo->zo_mirrors, /* -m */ 584420dfc95SChris Siden zo->zo_raidz, /* -r */ 585420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 586420dfc95SChris Siden zo->zo_datasets, /* -d */ 587420dfc95SChris Siden zo->zo_threads, /* -t */ 5880a4e9518Sgw nice_gang_bang, /* -g */ 589420dfc95SChris Siden zo->zo_init, /* -i */ 590420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 591420dfc95SChris Siden zo->zo_pool, /* -p */ 592420dfc95SChris Siden zo->zo_dir, /* -f */ 593420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 594420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 595420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 596f1b4288bSvb exit(requested ? 0 : 1); 597fa9e4066Sahrens } 598fa9e4066Sahrens 599fa9e4066Sahrens static void 600fa9e4066Sahrens process_options(int argc, char **argv) 601fa9e4066Sahrens { 602420dfc95SChris Siden char *path; 603420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 604420dfc95SChris Siden 605fa9e4066Sahrens int opt; 606fa9e4066Sahrens uint64_t value; 607420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 608fa9e4066Sahrens 609420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 610fa9e4066Sahrens 611fa9e4066Sahrens while ((opt = getopt(argc, argv, 612420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 613fa9e4066Sahrens value = 0; 614fa9e4066Sahrens switch (opt) { 6153d7072f8Seschrock case 'v': 6163d7072f8Seschrock case 's': 6173d7072f8Seschrock case 'a': 6183d7072f8Seschrock case 'm': 6193d7072f8Seschrock case 'r': 6203d7072f8Seschrock case 'R': 6213d7072f8Seschrock case 'd': 6223d7072f8Seschrock case 't': 6233d7072f8Seschrock case 'g': 6243d7072f8Seschrock case 'i': 6253d7072f8Seschrock case 'k': 6263d7072f8Seschrock case 'T': 6273d7072f8Seschrock case 'P': 6282215e990SMark J Musante case 'F': 629fa9e4066Sahrens value = nicenumtoull(optarg); 630fa9e4066Sahrens } 631fa9e4066Sahrens switch (opt) { 6323d7072f8Seschrock case 'v': 633420dfc95SChris Siden zo->zo_vdevs = value; 634fa9e4066Sahrens break; 6353d7072f8Seschrock case 's': 636420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 637fa9e4066Sahrens break; 6383d7072f8Seschrock case 'a': 639420dfc95SChris Siden zo->zo_ashift = value; 640ecc2d604Sbonwick break; 6413d7072f8Seschrock case 'm': 642420dfc95SChris Siden zo->zo_mirrors = value; 643fa9e4066Sahrens break; 6443d7072f8Seschrock case 'r': 645420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 646fa9e4066Sahrens break; 6473d7072f8Seschrock case 'R': 648420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 64999653d4eSeschrock break; 6503d7072f8Seschrock case 'd': 651420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 652fa9e4066Sahrens break; 6533d7072f8Seschrock case 't': 654420dfc95SChris Siden zo->zo_threads = MAX(1, value); 655fa9e4066Sahrens break; 6563d7072f8Seschrock case 'g': 657420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 658420dfc95SChris Siden value); 659fa9e4066Sahrens break; 6603d7072f8Seschrock case 'i': 661420dfc95SChris Siden zo->zo_init = value; 662fa9e4066Sahrens break; 6633d7072f8Seschrock case 'k': 664420dfc95SChris Siden zo->zo_killrate = value; 665fa9e4066Sahrens break; 6663d7072f8Seschrock case 'p': 667420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 668420dfc95SChris Siden sizeof (zo->zo_pool)); 669fa9e4066Sahrens break; 6703d7072f8Seschrock case 'f': 671420dfc95SChris Siden path = realpath(optarg, NULL); 672420dfc95SChris Siden if (path == NULL) { 673420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 674420dfc95SChris Siden optarg, strerror(errno)); 675420dfc95SChris Siden usage(B_FALSE); 676420dfc95SChris Siden } else { 677420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 678420dfc95SChris Siden sizeof (zo->zo_dir)); 679420dfc95SChris Siden } 680fa9e4066Sahrens break; 6813d7072f8Seschrock case 'V': 682420dfc95SChris Siden zo->zo_verbose++; 683fa9e4066Sahrens break; 6843d7072f8Seschrock case 'E': 685420dfc95SChris Siden zo->zo_init = 0; 686fa9e4066Sahrens break; 6873d7072f8Seschrock case 'T': 688420dfc95SChris Siden zo->zo_time = value; 689fa9e4066Sahrens break; 6903d7072f8Seschrock case 'P': 691420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 692fa9e4066Sahrens break; 6932215e990SMark J Musante case 'F': 694420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 695420dfc95SChris Siden break; 696420dfc95SChris Siden case 'B': 697420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6982215e990SMark J Musante break; 6993d7072f8Seschrock case 'h': 700f1b4288bSvb usage(B_TRUE); 701f1b4288bSvb break; 7023d7072f8Seschrock case '?': 7033d7072f8Seschrock default: 704f1b4288bSvb usage(B_FALSE); 705fa9e4066Sahrens break; 706fa9e4066Sahrens } 707fa9e4066Sahrens } 708fa9e4066Sahrens 709420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 71099653d4eSeschrock 711420dfc95SChris Siden zo->zo_vdevtime = 712420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 713b24ab676SJeff Bonwick UINT64_MAX >> 2); 714420dfc95SChris Siden 715420dfc95SChris Siden if (strlen(altdir) > 0) { 716741652b0SEtienne Dechamps char *cmd; 717741652b0SEtienne Dechamps char *realaltdir; 718420dfc95SChris Siden char *bin; 719420dfc95SChris Siden char *ztest; 720420dfc95SChris Siden char *isa; 721420dfc95SChris Siden int isalen; 722420dfc95SChris Siden 723741652b0SEtienne Dechamps cmd = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 724741652b0SEtienne Dechamps realaltdir = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 725741652b0SEtienne Dechamps 726741652b0SEtienne Dechamps VERIFY(NULL != realpath(getexecname(), cmd)); 727420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 728420dfc95SChris Siden ztest_dump_core = B_FALSE; 729420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 730420dfc95SChris Siden altdir); 731420dfc95SChris Siden } 732420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 733420dfc95SChris Siden 734420dfc95SChris Siden /* 735420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 736420dfc95SChris Siden * We want to extract <isa> to determine if we should use 737420dfc95SChris Siden * 32 or 64 bit binaries. 738420dfc95SChris Siden */ 739420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 740420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 741420dfc95SChris Siden isa = bin + 9; 742420dfc95SChris Siden isalen = ztest - isa; 743420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 744420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 745420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 746420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 747420dfc95SChris Siden 748420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 749420dfc95SChris Siden ztest_dump_core = B_FALSE; 750420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 751420dfc95SChris Siden zo->zo_alt_ztest); 752420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 753420dfc95SChris Siden ztest_dump_core = B_FALSE; 754420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 755420dfc95SChris Siden zo->zo_alt_libpath); 756420dfc95SChris Siden } 757741652b0SEtienne Dechamps 758741652b0SEtienne Dechamps umem_free(cmd, MAXPATHLEN); 759741652b0SEtienne Dechamps umem_free(realaltdir, MAXPATHLEN); 760420dfc95SChris Siden } 761fa9e4066Sahrens } 762fa9e4066Sahrens 763b24ab676SJeff Bonwick static void 764b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 765b24ab676SJeff Bonwick { 766420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 767420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 768b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 769b24ab676SJeff Bonwick } 770b24ab676SJeff Bonwick 771b24ab676SJeff Bonwick static uint64_t 772b24ab676SJeff Bonwick ztest_random(uint64_t range) 773b24ab676SJeff Bonwick { 774b24ab676SJeff Bonwick uint64_t r; 775b24ab676SJeff Bonwick 776741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 777741652b0SEtienne Dechamps 778b24ab676SJeff Bonwick if (range == 0) 779b24ab676SJeff Bonwick return (0); 780b24ab676SJeff Bonwick 781741652b0SEtienne Dechamps if (read(ztest_fd_rand, &r, sizeof (r)) != sizeof (r)) 782b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 783b24ab676SJeff Bonwick 784b24ab676SJeff Bonwick return (r % range); 785b24ab676SJeff Bonwick } 786b24ab676SJeff Bonwick 787b24ab676SJeff Bonwick /* ARGSUSED */ 788b24ab676SJeff Bonwick static void 789b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 790b24ab676SJeff Bonwick { 791b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 792b24ab676SJeff Bonwick } 793b24ab676SJeff Bonwick 794ecc2d604Sbonwick static uint64_t 795ecc2d604Sbonwick ztest_get_ashift(void) 796ecc2d604Sbonwick { 797420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 798ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 799420dfc95SChris Siden return (ztest_opts.zo_ashift); 800ecc2d604Sbonwick } 801ecc2d604Sbonwick 802fa9e4066Sahrens static nvlist_t * 80325345e46SGeorge Wilson make_vdev_file(char *path, char *aux, char *pool, size_t size, uint64_t ashift) 804fa9e4066Sahrens { 805e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 806fa9e4066Sahrens uint64_t vdev; 807fa9e4066Sahrens nvlist_t *file; 808fa9e4066Sahrens 809e14bb325SJeff Bonwick if (ashift == 0) 810e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 811e14bb325SJeff Bonwick 812e14bb325SJeff Bonwick if (path == NULL) { 813e14bb325SJeff Bonwick path = pathbuf; 814fa9e4066Sahrens 815e14bb325SJeff Bonwick if (aux != NULL) { 816e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 817420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 818420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 81925345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, 82025345e46SGeorge Wilson aux, vdev); 821e14bb325SJeff Bonwick } else { 82288ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 823420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 824420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 82525345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, vdev); 826e14bb325SJeff Bonwick } 827e14bb325SJeff Bonwick } 828e14bb325SJeff Bonwick 829e14bb325SJeff Bonwick if (size != 0) { 830e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 831fa9e4066Sahrens if (fd == -1) 832e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 833fa9e4066Sahrens if (ftruncate(fd, size) != 0) 834e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 835fa9e4066Sahrens (void) close(fd); 836fa9e4066Sahrens } 837fa9e4066Sahrens 838fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 839fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 840e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 841ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 842fa9e4066Sahrens 843fa9e4066Sahrens return (file); 844fa9e4066Sahrens } 845fa9e4066Sahrens 846fa9e4066Sahrens static nvlist_t * 84725345e46SGeorge Wilson make_vdev_raidz(char *path, char *aux, char *pool, size_t size, 84825345e46SGeorge Wilson uint64_t ashift, int r) 849fa9e4066Sahrens { 850fa9e4066Sahrens nvlist_t *raidz, **child; 851fa9e4066Sahrens int c; 852fa9e4066Sahrens 853fa9e4066Sahrens if (r < 2) 85425345e46SGeorge Wilson return (make_vdev_file(path, aux, pool, size, ashift)); 855fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 856fa9e4066Sahrens 857fa9e4066Sahrens for (c = 0; c < r; c++) 85825345e46SGeorge Wilson child[c] = make_vdev_file(path, aux, pool, size, ashift); 859fa9e4066Sahrens 860fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 861fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 862fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 86399653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 864420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 865fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 866fa9e4066Sahrens child, r) == 0); 867fa9e4066Sahrens 868fa9e4066Sahrens for (c = 0; c < r; c++) 869fa9e4066Sahrens nvlist_free(child[c]); 870fa9e4066Sahrens 871fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 872fa9e4066Sahrens 873fa9e4066Sahrens return (raidz); 874fa9e4066Sahrens } 875fa9e4066Sahrens 876fa9e4066Sahrens static nvlist_t * 87725345e46SGeorge Wilson make_vdev_mirror(char *path, char *aux, char *pool, size_t size, 87825345e46SGeorge Wilson uint64_t ashift, int r, int m) 879fa9e4066Sahrens { 880fa9e4066Sahrens nvlist_t *mirror, **child; 881fa9e4066Sahrens int c; 882fa9e4066Sahrens 883fa9e4066Sahrens if (m < 1) 88425345e46SGeorge Wilson return (make_vdev_raidz(path, aux, pool, size, ashift, r)); 885fa9e4066Sahrens 886fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 887fa9e4066Sahrens 888fa9e4066Sahrens for (c = 0; c < m; c++) 88925345e46SGeorge Wilson child[c] = make_vdev_raidz(path, aux, pool, size, ashift, r); 890fa9e4066Sahrens 891fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 892fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 893fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 894fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 895fa9e4066Sahrens child, m) == 0); 896fa9e4066Sahrens 897fa9e4066Sahrens for (c = 0; c < m; c++) 898fa9e4066Sahrens nvlist_free(child[c]); 899fa9e4066Sahrens 900fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 901fa9e4066Sahrens 902fa9e4066Sahrens return (mirror); 903fa9e4066Sahrens } 904fa9e4066Sahrens 905fa9e4066Sahrens static nvlist_t * 90625345e46SGeorge Wilson make_vdev_root(char *path, char *aux, char *pool, size_t size, uint64_t ashift, 90725345e46SGeorge Wilson int log, int r, int m, int t) 908fa9e4066Sahrens { 909fa9e4066Sahrens nvlist_t *root, **child; 910fa9e4066Sahrens int c; 911fa9e4066Sahrens 912fa9e4066Sahrens ASSERT(t > 0); 913fa9e4066Sahrens 914fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 915fa9e4066Sahrens 91631157203SJeff Bonwick for (c = 0; c < t; c++) { 91725345e46SGeorge Wilson child[c] = make_vdev_mirror(path, aux, pool, size, ashift, 91825345e46SGeorge Wilson r, m); 91931157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 92031157203SJeff Bonwick log) == 0); 92131157203SJeff Bonwick } 922fa9e4066Sahrens 923fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 924fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 925e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 926fa9e4066Sahrens child, t) == 0); 927fa9e4066Sahrens 928fa9e4066Sahrens for (c = 0; c < t; c++) 929fa9e4066Sahrens nvlist_free(child[c]); 930fa9e4066Sahrens 931fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 932fa9e4066Sahrens 933fa9e4066Sahrens return (root); 934fa9e4066Sahrens } 935fa9e4066Sahrens 93625345e46SGeorge Wilson /* 93725345e46SGeorge Wilson * Find a random spa version. Returns back a random spa version in the 93825345e46SGeorge Wilson * range [initial_version, SPA_VERSION_FEATURES]. 93925345e46SGeorge Wilson */ 94025345e46SGeorge Wilson static uint64_t 94125345e46SGeorge Wilson ztest_random_spa_version(uint64_t initial_version) 94225345e46SGeorge Wilson { 94325345e46SGeorge Wilson uint64_t version = initial_version; 94425345e46SGeorge Wilson 94525345e46SGeorge Wilson if (version <= SPA_VERSION_BEFORE_FEATURES) { 94625345e46SGeorge Wilson version = version + 94725345e46SGeorge Wilson ztest_random(SPA_VERSION_BEFORE_FEATURES - version + 1); 94825345e46SGeorge Wilson } 94925345e46SGeorge Wilson 95025345e46SGeorge Wilson if (version > SPA_VERSION_BEFORE_FEATURES) 95125345e46SGeorge Wilson version = SPA_VERSION_FEATURES; 95225345e46SGeorge Wilson 95325345e46SGeorge Wilson ASSERT(SPA_VERSION_IS_SUPPORTED(version)); 95425345e46SGeorge Wilson return (version); 95525345e46SGeorge Wilson } 95625345e46SGeorge Wilson 957b24ab676SJeff Bonwick static int 958b24ab676SJeff Bonwick ztest_random_blocksize(void) 959fa9e4066Sahrens { 960b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 961b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 962b24ab676SJeff Bonwick } 963fa9e4066Sahrens 964b24ab676SJeff Bonwick static int 965b24ab676SJeff Bonwick ztest_random_ibshift(void) 966b24ab676SJeff Bonwick { 967b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 968b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 969fa9e4066Sahrens } 970fa9e4066Sahrens 971b24ab676SJeff Bonwick static uint64_t 972b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 973fa9e4066Sahrens { 974b24ab676SJeff Bonwick uint64_t top; 975b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 976b24ab676SJeff Bonwick vdev_t *tvd; 977fa9e4066Sahrens 978b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 979fa9e4066Sahrens 980b24ab676SJeff Bonwick do { 981b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 982b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 983b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 984b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 985fa9e4066Sahrens 986b24ab676SJeff Bonwick return (top); 987fa9e4066Sahrens } 988fa9e4066Sahrens 989b24ab676SJeff Bonwick static uint64_t 990b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 991fa9e4066Sahrens { 992b24ab676SJeff Bonwick uint64_t value; 993b24ab676SJeff Bonwick 994b24ab676SJeff Bonwick do { 995b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 996b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 997b24ab676SJeff Bonwick 998b24ab676SJeff Bonwick return (value); 999fa9e4066Sahrens } 1000fa9e4066Sahrens 1001fa9e4066Sahrens static int 1002b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 1003b24ab676SJeff Bonwick boolean_t inherit) 1004fa9e4066Sahrens { 1005b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 1006b24ab676SJeff Bonwick const char *valname; 1007b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 1008b24ab676SJeff Bonwick uint64_t curval; 1009fa9e4066Sahrens int error; 1010fa9e4066Sahrens 1011*3b2aab18SMatthew Ahrens error = dsl_prop_set_int(osname, propname, 1012*3b2aab18SMatthew Ahrens (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), value); 1013fa9e4066Sahrens 1014b24ab676SJeff Bonwick if (error == ENOSPC) { 1015b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1016fa9e4066Sahrens return (error); 1017fa9e4066Sahrens } 1018fb09f5aaSMadhav Suresh ASSERT0(error); 1019fa9e4066Sahrens 1020*3b2aab18SMatthew Ahrens VERIFY0(dsl_prop_get_integer(osname, propname, &curval, setpoint)); 1021b24ab676SJeff Bonwick 1022420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 1023b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 1024b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 1025b24ab676SJeff Bonwick osname, propname, valname, setpoint); 1026fa9e4066Sahrens } 1027fa9e4066Sahrens 1028fa9e4066Sahrens return (error); 1029fa9e4066Sahrens } 1030fa9e4066Sahrens 1031fa9e4066Sahrens static int 1032420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 1033fa9e4066Sahrens { 1034420dfc95SChris Siden spa_t *spa = ztest_spa; 1035b24ab676SJeff Bonwick nvlist_t *props = NULL; 1036fa9e4066Sahrens int error; 1037fa9e4066Sahrens 1038b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 1039b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 1040fa9e4066Sahrens 1041b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 1042b24ab676SJeff Bonwick 1043b24ab676SJeff Bonwick nvlist_free(props); 1044b24ab676SJeff Bonwick 1045b24ab676SJeff Bonwick if (error == ENOSPC) { 1046b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1047fa9e4066Sahrens return (error); 1048fa9e4066Sahrens } 1049fb09f5aaSMadhav Suresh ASSERT0(error); 1050fa9e4066Sahrens 1051fa9e4066Sahrens return (error); 1052fa9e4066Sahrens } 1053fa9e4066Sahrens 1054b24ab676SJeff Bonwick static void 1055b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1056b24ab676SJeff Bonwick { 1057b24ab676SJeff Bonwick rll->rll_writer = NULL; 1058b24ab676SJeff Bonwick rll->rll_readers = 0; 1059b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1060b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1061b24ab676SJeff Bonwick } 1062fa9e4066Sahrens 1063b24ab676SJeff Bonwick static void 1064b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1065fa9e4066Sahrens { 1066b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1067b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1068b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1069b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1070b24ab676SJeff Bonwick } 1071fa9e4066Sahrens 1072b24ab676SJeff Bonwick static void 1073b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1074b24ab676SJeff Bonwick { 1075b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1076fa9e4066Sahrens 1077b24ab676SJeff Bonwick if (type == RL_READER) { 1078b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1079b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1080b24ab676SJeff Bonwick rll->rll_readers++; 1081b24ab676SJeff Bonwick } else { 1082b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1083b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1084b24ab676SJeff Bonwick rll->rll_writer = curthread; 1085b24ab676SJeff Bonwick } 1086fa9e4066Sahrens 1087b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1088b24ab676SJeff Bonwick } 1089fa9e4066Sahrens 1090b24ab676SJeff Bonwick static void 1091b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1092b24ab676SJeff Bonwick { 1093b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1094fa9e4066Sahrens 1095b24ab676SJeff Bonwick if (rll->rll_writer) { 1096b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1097b24ab676SJeff Bonwick rll->rll_writer = NULL; 1098b24ab676SJeff Bonwick } else { 1099b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1100b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1101b24ab676SJeff Bonwick rll->rll_readers--; 1102b24ab676SJeff Bonwick } 1103fa9e4066Sahrens 1104b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1105b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1106b24ab676SJeff Bonwick 1107b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1108fa9e4066Sahrens } 1109fa9e4066Sahrens 1110b24ab676SJeff Bonwick static void 1111b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 111231157203SJeff Bonwick { 1113b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 111431157203SJeff Bonwick 1115b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1116b24ab676SJeff Bonwick } 111731157203SJeff Bonwick 1118b24ab676SJeff Bonwick static void 1119b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1120b24ab676SJeff Bonwick { 1121b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 112231157203SJeff Bonwick 1123b24ab676SJeff Bonwick ztest_rll_unlock(rll); 112431157203SJeff Bonwick } 112531157203SJeff Bonwick 1126b24ab676SJeff Bonwick static rl_t * 1127b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1128b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 112988ecc943SGeorge Wilson { 1130b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1131b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1132b24ab676SJeff Bonwick rl_t *rl; 113388ecc943SGeorge Wilson 1134b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1135b24ab676SJeff Bonwick rl->rl_object = object; 1136b24ab676SJeff Bonwick rl->rl_offset = offset; 1137b24ab676SJeff Bonwick rl->rl_size = size; 1138b24ab676SJeff Bonwick rl->rl_lock = rll; 113988ecc943SGeorge Wilson 1140b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 114188ecc943SGeorge Wilson 1142b24ab676SJeff Bonwick return (rl); 114388ecc943SGeorge Wilson } 114488ecc943SGeorge Wilson 1145b24ab676SJeff Bonwick static void 1146b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1147fa9e4066Sahrens { 1148b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1149fa9e4066Sahrens 1150b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1151fa9e4066Sahrens 1152b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1153b24ab676SJeff Bonwick } 1154fa9e4066Sahrens 1155b24ab676SJeff Bonwick static void 1156420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1157b24ab676SJeff Bonwick { 1158b24ab676SJeff Bonwick zd->zd_os = os; 1159b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1160420dfc95SChris Siden zd->zd_shared = szd; 1161b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1162fa9e4066Sahrens 1163420dfc95SChris Siden if (zd->zd_shared != NULL) 1164420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1165420dfc95SChris Siden 1166c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1167b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1168b24ab676SJeff Bonwick 1169b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1170b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1171b24ab676SJeff Bonwick 1172b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1173b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1174b24ab676SJeff Bonwick } 1175b24ab676SJeff Bonwick 1176b24ab676SJeff Bonwick static void 1177b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1178b24ab676SJeff Bonwick { 1179b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1180b24ab676SJeff Bonwick 1181b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1182b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1183b24ab676SJeff Bonwick 1184b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1185b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1186b24ab676SJeff Bonwick } 1187b24ab676SJeff Bonwick 1188b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1189b24ab676SJeff Bonwick 1190b24ab676SJeff Bonwick static uint64_t 1191b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1192b24ab676SJeff Bonwick { 1193b24ab676SJeff Bonwick uint64_t txg; 1194b24ab676SJeff Bonwick int error; 1195b24ab676SJeff Bonwick 1196b24ab676SJeff Bonwick /* 1197b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1198b24ab676SJeff Bonwick */ 1199b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1200b24ab676SJeff Bonwick if (error) { 1201b24ab676SJeff Bonwick if (error == ERESTART) { 1202b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1203b24ab676SJeff Bonwick dmu_tx_wait(tx); 1204b24ab676SJeff Bonwick } else { 1205b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1206b24ab676SJeff Bonwick ztest_record_enospc(tag); 1207b24ab676SJeff Bonwick } 1208b24ab676SJeff Bonwick dmu_tx_abort(tx); 1209b24ab676SJeff Bonwick return (0); 1210b24ab676SJeff Bonwick } 1211b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1212b24ab676SJeff Bonwick ASSERT(txg != 0); 1213b24ab676SJeff Bonwick return (txg); 1214b24ab676SJeff Bonwick } 1215b24ab676SJeff Bonwick 1216b24ab676SJeff Bonwick static void 1217b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1218b24ab676SJeff Bonwick { 1219b24ab676SJeff Bonwick uint64_t *ip = buf; 1220b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1221b24ab676SJeff Bonwick 1222b24ab676SJeff Bonwick while (ip < ip_end) 1223b24ab676SJeff Bonwick *ip++ = value; 1224b24ab676SJeff Bonwick } 1225b24ab676SJeff Bonwick 1226b24ab676SJeff Bonwick static boolean_t 1227b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1228b24ab676SJeff Bonwick { 1229b24ab676SJeff Bonwick uint64_t *ip = buf; 1230b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1231b24ab676SJeff Bonwick uint64_t diff = 0; 1232b24ab676SJeff Bonwick 1233b24ab676SJeff Bonwick while (ip < ip_end) 1234b24ab676SJeff Bonwick diff |= (value - *ip++); 1235b24ab676SJeff Bonwick 1236b24ab676SJeff Bonwick return (diff == 0); 1237b24ab676SJeff Bonwick } 1238b24ab676SJeff Bonwick 1239b24ab676SJeff Bonwick static void 1240b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1241b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1242b24ab676SJeff Bonwick { 1243b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1244b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1245b24ab676SJeff Bonwick bt->bt_object = object; 1246b24ab676SJeff Bonwick bt->bt_offset = offset; 1247b24ab676SJeff Bonwick bt->bt_gen = gen; 1248b24ab676SJeff Bonwick bt->bt_txg = txg; 1249b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1250b24ab676SJeff Bonwick } 1251b24ab676SJeff Bonwick 1252b24ab676SJeff Bonwick static void 1253b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1254b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1255b24ab676SJeff Bonwick { 1256b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1257b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1258b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1259b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1260b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1261b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1262b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1263b24ab676SJeff Bonwick } 1264b24ab676SJeff Bonwick 1265b24ab676SJeff Bonwick static ztest_block_tag_t * 1266b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1267b24ab676SJeff Bonwick { 1268b24ab676SJeff Bonwick dmu_object_info_t doi; 1269b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1270b24ab676SJeff Bonwick 1271b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1272b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1273b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1274b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1275b24ab676SJeff Bonwick 1276b24ab676SJeff Bonwick return (bt); 1277b24ab676SJeff Bonwick } 1278b24ab676SJeff Bonwick 1279b24ab676SJeff Bonwick /* 1280b24ab676SJeff Bonwick * ZIL logging ops 1281b24ab676SJeff Bonwick */ 1282b24ab676SJeff Bonwick 1283b24ab676SJeff Bonwick #define lrz_type lr_mode 1284b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1285b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1286b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1287b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1288b24ab676SJeff Bonwick 12895002558fSNeil Perrin static void 1290b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1291b24ab676SJeff Bonwick { 1292b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1293b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1294b24ab676SJeff Bonwick itx_t *itx; 1295b24ab676SJeff Bonwick 1296b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12975002558fSNeil Perrin return; 1298b24ab676SJeff Bonwick 1299b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1300b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1301b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1302b24ab676SJeff Bonwick 13035002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1304b24ab676SJeff Bonwick } 1305b24ab676SJeff Bonwick 13065002558fSNeil Perrin static void 13075002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1308b24ab676SJeff Bonwick { 1309b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1310b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1311b24ab676SJeff Bonwick itx_t *itx; 1312b24ab676SJeff Bonwick 1313b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13145002558fSNeil Perrin return; 1315b24ab676SJeff Bonwick 1316b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1317b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1318b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1319b24ab676SJeff Bonwick 132051bd2f97SNeil Perrin itx->itx_oid = object; 13215002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1322b24ab676SJeff Bonwick } 1323b24ab676SJeff Bonwick 13245002558fSNeil Perrin static void 1325b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1326b24ab676SJeff Bonwick { 1327b24ab676SJeff Bonwick itx_t *itx; 1328b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1329b24ab676SJeff Bonwick 1330b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13315002558fSNeil Perrin return; 1332b24ab676SJeff Bonwick 1333b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1334b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1335b24ab676SJeff Bonwick 1336b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1337b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1338b24ab676SJeff Bonwick 1339b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1340b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1341b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1342b24ab676SJeff Bonwick zil_itx_destroy(itx); 1343b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1344b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1345b24ab676SJeff Bonwick } 1346b24ab676SJeff Bonwick itx->itx_private = zd; 1347b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1348b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1349b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1350b24ab676SJeff Bonwick 1351b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1352b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1353b24ab676SJeff Bonwick 13545002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1355b24ab676SJeff Bonwick } 1356b24ab676SJeff Bonwick 13575002558fSNeil Perrin static void 1358b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1359b24ab676SJeff Bonwick { 1360b24ab676SJeff Bonwick itx_t *itx; 1361b24ab676SJeff Bonwick 1362b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13635002558fSNeil Perrin return; 1364b24ab676SJeff Bonwick 1365b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1366b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1367b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1368b24ab676SJeff Bonwick 13695002558fSNeil Perrin itx->itx_sync = B_FALSE; 13705002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1371b24ab676SJeff Bonwick } 1372b24ab676SJeff Bonwick 13735002558fSNeil Perrin static void 1374b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1375b24ab676SJeff Bonwick { 1376b24ab676SJeff Bonwick itx_t *itx; 1377b24ab676SJeff Bonwick 1378b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13795002558fSNeil Perrin return; 1380b24ab676SJeff Bonwick 1381b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1382b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1383b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1384b24ab676SJeff Bonwick 13855002558fSNeil Perrin itx->itx_sync = B_FALSE; 13865002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1387b24ab676SJeff Bonwick } 1388b24ab676SJeff Bonwick 1389b24ab676SJeff Bonwick /* 1390b24ab676SJeff Bonwick * ZIL replay ops 1391b24ab676SJeff Bonwick */ 1392b24ab676SJeff Bonwick static int 1393b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1394b24ab676SJeff Bonwick { 1395b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1396b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1397b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1398b24ab676SJeff Bonwick dmu_buf_t *db; 1399b24ab676SJeff Bonwick dmu_tx_t *tx; 1400b24ab676SJeff Bonwick uint64_t txg; 1401b24ab676SJeff Bonwick int error = 0; 1402b24ab676SJeff Bonwick 1403b24ab676SJeff Bonwick if (byteswap) 1404b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1405b24ab676SJeff Bonwick 1406b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1407b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1408b24ab676SJeff Bonwick 1409b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1410b24ab676SJeff Bonwick 1411b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1412b24ab676SJeff Bonwick 1413b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1414b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1415b24ab676SJeff Bonwick } else { 1416b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1417b24ab676SJeff Bonwick } 1418b24ab676SJeff Bonwick 1419b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1420b24ab676SJeff Bonwick if (txg == 0) 1421b24ab676SJeff Bonwick return (ENOSPC); 1422b24ab676SJeff Bonwick 1423b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1424b24ab676SJeff Bonwick 1425b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1426b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1427b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1428b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1429b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1430b24ab676SJeff Bonwick } else { 1431b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1432b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1433b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1434b24ab676SJeff Bonwick } 1435b24ab676SJeff Bonwick } else { 1436b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1437b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1438b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1439b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1440b24ab676SJeff Bonwick } else { 1441b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1442b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1443b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1444b24ab676SJeff Bonwick } 1445b24ab676SJeff Bonwick } 1446b24ab676SJeff Bonwick 1447b24ab676SJeff Bonwick if (error) { 1448b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1449b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1450b24ab676SJeff Bonwick dmu_tx_commit(tx); 1451b24ab676SJeff Bonwick return (error); 1452b24ab676SJeff Bonwick } 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1455b24ab676SJeff Bonwick 1456b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1457b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1458b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1459b24ab676SJeff Bonwick 1460b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1461b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1462b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1463b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1464b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1465b24ab676SJeff Bonwick 1466b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1467b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1468b24ab676SJeff Bonwick 1469b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1470b24ab676SJeff Bonwick 1471b24ab676SJeff Bonwick dmu_tx_commit(tx); 1472b24ab676SJeff Bonwick 1473b24ab676SJeff Bonwick return (0); 1474b24ab676SJeff Bonwick } 1475b24ab676SJeff Bonwick 1476b24ab676SJeff Bonwick static int 1477b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1478b24ab676SJeff Bonwick { 1479b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1480b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1481b24ab676SJeff Bonwick dmu_object_info_t doi; 1482b24ab676SJeff Bonwick dmu_tx_t *tx; 1483b24ab676SJeff Bonwick uint64_t object, txg; 1484b24ab676SJeff Bonwick 1485b24ab676SJeff Bonwick if (byteswap) 1486b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1487b24ab676SJeff Bonwick 1488b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1489b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1490b24ab676SJeff Bonwick 1491b420f3adSRichard Lowe VERIFY3U(0, ==, 1492b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1493b24ab676SJeff Bonwick ASSERT(object != 0); 1494b24ab676SJeff Bonwick 1495b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1496b24ab676SJeff Bonwick 1497b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1498b24ab676SJeff Bonwick 1499b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1500b24ab676SJeff Bonwick 1501b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1502b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1503b24ab676SJeff Bonwick 1504b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1505b24ab676SJeff Bonwick if (txg == 0) { 1506b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1507b24ab676SJeff Bonwick return (ENOSPC); 1508b24ab676SJeff Bonwick } 1509b24ab676SJeff Bonwick 1510b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1511b420f3adSRichard Lowe VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1512b24ab676SJeff Bonwick } else { 1513b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1514b24ab676SJeff Bonwick } 1515b24ab676SJeff Bonwick 1516b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1517b24ab676SJeff Bonwick 15185002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1519b24ab676SJeff Bonwick 1520b24ab676SJeff Bonwick dmu_tx_commit(tx); 1521b24ab676SJeff Bonwick 1522b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1523b24ab676SJeff Bonwick 1524b24ab676SJeff Bonwick return (0); 1525b24ab676SJeff Bonwick } 1526b24ab676SJeff Bonwick 1527b24ab676SJeff Bonwick static int 1528b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1529b24ab676SJeff Bonwick { 1530b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1531b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1532b24ab676SJeff Bonwick uint64_t offset, length; 1533b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1534b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1535b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1536b24ab676SJeff Bonwick dmu_object_info_t doi; 1537b24ab676SJeff Bonwick dmu_tx_t *tx; 1538b24ab676SJeff Bonwick dmu_buf_t *db; 1539b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1540b24ab676SJeff Bonwick rl_t *rl; 1541b24ab676SJeff Bonwick 1542b24ab676SJeff Bonwick if (byteswap) 1543b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1544b24ab676SJeff Bonwick 1545b24ab676SJeff Bonwick offset = lr->lr_offset; 1546b24ab676SJeff Bonwick length = lr->lr_length; 1547b24ab676SJeff Bonwick 1548b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1549b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1550b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1551b24ab676SJeff Bonwick if (length < blocksize) { 1552b24ab676SJeff Bonwick offset -= offset % blocksize; 1553b24ab676SJeff Bonwick length = blocksize; 1554b24ab676SJeff Bonwick } 1555b24ab676SJeff Bonwick } 1556b24ab676SJeff Bonwick 1557b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1558b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1559b24ab676SJeff Bonwick 1560b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1561b24ab676SJeff Bonwick bt = NULL; 1562b24ab676SJeff Bonwick 1563b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1564b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1565b24ab676SJeff Bonwick 1566b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1567b24ab676SJeff Bonwick 1568b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1569b24ab676SJeff Bonwick 1570b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1571b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1572b24ab676SJeff Bonwick gen = bbt->bt_gen; 1573b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1574b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1575b24ab676SJeff Bonwick 1576b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1577b24ab676SJeff Bonwick 1578b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1579b24ab676SJeff Bonwick 1580b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1581b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1582b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1583b24ab676SJeff Bonwick 1584b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1585b24ab676SJeff Bonwick if (txg == 0) { 1586b24ab676SJeff Bonwick if (abuf != NULL) 1587b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1588b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1589b24ab676SJeff Bonwick ztest_range_unlock(rl); 1590b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1591b24ab676SJeff Bonwick return (ENOSPC); 1592b24ab676SJeff Bonwick } 1593b24ab676SJeff Bonwick 1594b24ab676SJeff Bonwick if (bt != NULL) { 1595b24ab676SJeff Bonwick /* 1596b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1597b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1598b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1599b24ab676SJeff Bonwick */ 1600b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1601b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1602b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1603b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1604b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1605b24ab676SJeff Bonwick 1606b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1607b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1608b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1609b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1610b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1611b24ab676SJeff Bonwick } 1612b24ab676SJeff Bonwick } 1613b24ab676SJeff Bonwick 1614b24ab676SJeff Bonwick /* 1615b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1616b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1617b24ab676SJeff Bonwick * open-context data, which may be different than the data 1618b24ab676SJeff Bonwick * as it was when the write was generated. 1619b24ab676SJeff Bonwick */ 1620b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1621b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1622b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1623b24ab676SJeff Bonwick bt->bt_crtxg); 1624b24ab676SJeff Bonwick } 1625b24ab676SJeff Bonwick 1626b24ab676SJeff Bonwick /* 1627b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1628b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1629b24ab676SJeff Bonwick */ 1630b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1631b24ab676SJeff Bonwick } 1632b24ab676SJeff Bonwick 1633b24ab676SJeff Bonwick if (abuf == NULL) { 1634b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1635b24ab676SJeff Bonwick } else { 1636b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1637b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1638b24ab676SJeff Bonwick } 1639b24ab676SJeff Bonwick 1640b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1641b24ab676SJeff Bonwick 1642b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1643b24ab676SJeff Bonwick 1644b24ab676SJeff Bonwick dmu_tx_commit(tx); 1645b24ab676SJeff Bonwick 1646b24ab676SJeff Bonwick ztest_range_unlock(rl); 1647b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1648b24ab676SJeff Bonwick 1649b24ab676SJeff Bonwick return (0); 1650b24ab676SJeff Bonwick } 1651b24ab676SJeff Bonwick 1652b24ab676SJeff Bonwick static int 1653b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1654b24ab676SJeff Bonwick { 1655b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1656b24ab676SJeff Bonwick dmu_tx_t *tx; 1657b24ab676SJeff Bonwick uint64_t txg; 1658b24ab676SJeff Bonwick rl_t *rl; 1659b24ab676SJeff Bonwick 1660b24ab676SJeff Bonwick if (byteswap) 1661b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1662b24ab676SJeff Bonwick 1663b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1664b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1665b24ab676SJeff Bonwick RL_WRITER); 1666b24ab676SJeff Bonwick 1667b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1668b24ab676SJeff Bonwick 1669b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1670b24ab676SJeff Bonwick 1671b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1672b24ab676SJeff Bonwick if (txg == 0) { 1673b24ab676SJeff Bonwick ztest_range_unlock(rl); 1674b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1675b24ab676SJeff Bonwick return (ENOSPC); 1676b24ab676SJeff Bonwick } 1677b24ab676SJeff Bonwick 1678b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1679b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1680b24ab676SJeff Bonwick 1681b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1682b24ab676SJeff Bonwick 1683b24ab676SJeff Bonwick dmu_tx_commit(tx); 1684b24ab676SJeff Bonwick 1685b24ab676SJeff Bonwick ztest_range_unlock(rl); 1686b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1687b24ab676SJeff Bonwick 1688b24ab676SJeff Bonwick return (0); 1689b24ab676SJeff Bonwick } 1690b24ab676SJeff Bonwick 1691b24ab676SJeff Bonwick static int 1692b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1693b24ab676SJeff Bonwick { 1694b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1695b24ab676SJeff Bonwick dmu_tx_t *tx; 1696b24ab676SJeff Bonwick dmu_buf_t *db; 1697b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1698b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1699b24ab676SJeff Bonwick 1700b24ab676SJeff Bonwick if (byteswap) 1701b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1702b24ab676SJeff Bonwick 1703b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1704b24ab676SJeff Bonwick 1705b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1706b24ab676SJeff Bonwick 1707b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1708b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1709b24ab676SJeff Bonwick 1710b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1711b24ab676SJeff Bonwick if (txg == 0) { 1712b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1713b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1714b24ab676SJeff Bonwick return (ENOSPC); 1715b24ab676SJeff Bonwick } 1716b24ab676SJeff Bonwick 1717b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1718b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1719b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1720b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1721b24ab676SJeff Bonwick 1722b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1723b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1724b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1725b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1726b24ab676SJeff Bonwick } else { 1727b24ab676SJeff Bonwick /* 1728b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1729b24ab676SJeff Bonwick */ 1730b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1731b24ab676SJeff Bonwick sizeof (*bbt); 1732b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1733b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1734b24ab676SJeff Bonwick } 1735b24ab676SJeff Bonwick 1736b24ab676SJeff Bonwick /* 1737b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1738b24ab676SJeff Bonwick */ 1739b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1740b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1741b24ab676SJeff Bonwick 1742b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1743b24ab676SJeff Bonwick 1744b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1745b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1746fb09f5aaSMadhav Suresh VERIFY0(dmu_set_bonus(db, lr->lr_size, tx)); 1747b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1748b24ab676SJeff Bonwick 1749b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1750b24ab676SJeff Bonwick 1751b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1752b24ab676SJeff Bonwick 1753b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1754b24ab676SJeff Bonwick 1755b24ab676SJeff Bonwick dmu_tx_commit(tx); 1756b24ab676SJeff Bonwick 1757b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1758b24ab676SJeff Bonwick 1759b24ab676SJeff Bonwick return (0); 1760b24ab676SJeff Bonwick } 1761b24ab676SJeff Bonwick 1762b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1763b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1764b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1765b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1766b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1767b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1768b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1769b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1770b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1771b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1772b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1773b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1774b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1775b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1776b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1777b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1778b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1779b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1780b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1781b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1782b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1783b24ab676SJeff Bonwick }; 1784b24ab676SJeff Bonwick 1785b24ab676SJeff Bonwick /* 1786b24ab676SJeff Bonwick * ZIL get_data callbacks 1787b24ab676SJeff Bonwick */ 1788b24ab676SJeff Bonwick 1789b24ab676SJeff Bonwick static void 1790b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1791b24ab676SJeff Bonwick { 1792b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1793b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1794b24ab676SJeff Bonwick 1795b24ab676SJeff Bonwick if (zgd->zgd_db) 1796b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1797b24ab676SJeff Bonwick 1798b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1799b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1800b24ab676SJeff Bonwick 1801b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1802b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1803b24ab676SJeff Bonwick 1804b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1805b24ab676SJeff Bonwick } 1806b24ab676SJeff Bonwick 1807b24ab676SJeff Bonwick static int 1808b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1809b24ab676SJeff Bonwick { 1810b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1811b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1812b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1813b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1814b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1815b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1816b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1817b24ab676SJeff Bonwick uint64_t crtxg; 1818b24ab676SJeff Bonwick dmu_object_info_t doi; 1819b24ab676SJeff Bonwick dmu_buf_t *db; 1820b24ab676SJeff Bonwick zgd_t *zgd; 1821b24ab676SJeff Bonwick int error; 1822b24ab676SJeff Bonwick 1823b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1824b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1825b24ab676SJeff Bonwick if (error) { 1826b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1827b24ab676SJeff Bonwick return (error); 1828b24ab676SJeff Bonwick } 1829b24ab676SJeff Bonwick 1830b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1831b24ab676SJeff Bonwick 1832b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1833b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1834b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1835b24ab676SJeff Bonwick return (ENOENT); 1836b24ab676SJeff Bonwick } 1837b24ab676SJeff Bonwick 1838b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1839b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1840b24ab676SJeff Bonwick db = NULL; 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1843b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1844b24ab676SJeff Bonwick zgd->zgd_private = zd; 1845b24ab676SJeff Bonwick 1846b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1847b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1848b24ab676SJeff Bonwick RL_READER); 1849b24ab676SJeff Bonwick 1850b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1851b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1852b24ab676SJeff Bonwick ASSERT(error == 0); 1853b24ab676SJeff Bonwick } else { 1854b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1855dfe73b3dSJeff Bonwick if (ISP2(size)) { 1856b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1857dfe73b3dSJeff Bonwick } else { 1858dfe73b3dSJeff Bonwick ASSERT(offset < size); 1859dfe73b3dSJeff Bonwick offset = 0; 1860dfe73b3dSJeff Bonwick } 1861b24ab676SJeff Bonwick 1862b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1863b24ab676SJeff Bonwick RL_READER); 1864b24ab676SJeff Bonwick 186547cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 186647cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1867b24ab676SJeff Bonwick 1868b24ab676SJeff Bonwick if (error == 0) { 186980901aeaSGeorge Wilson blkptr_t *obp = dmu_buf_get_blkptr(db); 187080901aeaSGeorge Wilson if (obp) { 187180901aeaSGeorge Wilson ASSERT(BP_IS_HOLE(bp)); 187280901aeaSGeorge Wilson *bp = *obp; 187380901aeaSGeorge Wilson } 187480901aeaSGeorge Wilson 1875b24ab676SJeff Bonwick zgd->zgd_db = db; 1876b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1877b24ab676SJeff Bonwick 1878b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1879b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1880b24ab676SJeff Bonwick 1881b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1882b24ab676SJeff Bonwick ztest_get_done, zgd); 1883b24ab676SJeff Bonwick 1884b24ab676SJeff Bonwick if (error == 0) 1885b24ab676SJeff Bonwick return (0); 1886b24ab676SJeff Bonwick } 1887b24ab676SJeff Bonwick } 1888b24ab676SJeff Bonwick 1889b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1890b24ab676SJeff Bonwick 1891b24ab676SJeff Bonwick return (error); 1892b24ab676SJeff Bonwick } 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick static void * 1895b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1896b24ab676SJeff Bonwick { 1897b24ab676SJeff Bonwick char *lr; 1898b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1899b24ab676SJeff Bonwick 1900b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1901b24ab676SJeff Bonwick 1902b24ab676SJeff Bonwick if (name) 1903b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1904b24ab676SJeff Bonwick 1905b24ab676SJeff Bonwick return (lr); 1906b24ab676SJeff Bonwick } 1907b24ab676SJeff Bonwick 1908b24ab676SJeff Bonwick void 1909b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1910b24ab676SJeff Bonwick { 1911b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1912b24ab676SJeff Bonwick 1913b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1914b24ab676SJeff Bonwick } 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick /* 1917b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1918b24ab676SJeff Bonwick */ 1919b24ab676SJeff Bonwick static int 1920b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1921b24ab676SJeff Bonwick { 1922b24ab676SJeff Bonwick int missing = 0; 1923b24ab676SJeff Bonwick int error; 1924b24ab676SJeff Bonwick 1925b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1926b24ab676SJeff Bonwick 1927b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1928b24ab676SJeff Bonwick od->od_object = 0; 1929b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1930b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1931b24ab676SJeff Bonwick if (error) { 1932b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1933b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1934b24ab676SJeff Bonwick missing++; 1935b24ab676SJeff Bonwick } else { 1936b24ab676SJeff Bonwick dmu_buf_t *db; 1937b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1938b24ab676SJeff Bonwick dmu_object_info_t doi; 1939b24ab676SJeff Bonwick 1940b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1941b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1942b24ab676SJeff Bonwick 1943b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1944b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1945b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1946b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1947b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1948b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1949b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1950b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1951b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1952b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1953b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1954b24ab676SJeff Bonwick } 1955b24ab676SJeff Bonwick } 1956b24ab676SJeff Bonwick 1957b24ab676SJeff Bonwick return (missing); 1958b24ab676SJeff Bonwick } 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick static int 1961b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1962b24ab676SJeff Bonwick { 1963b24ab676SJeff Bonwick int missing = 0; 1964b24ab676SJeff Bonwick 1965b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1966b24ab676SJeff Bonwick 1967b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1968b24ab676SJeff Bonwick if (missing) { 1969b24ab676SJeff Bonwick od->od_object = 0; 1970b24ab676SJeff Bonwick missing++; 1971b24ab676SJeff Bonwick continue; 1972b24ab676SJeff Bonwick } 1973b24ab676SJeff Bonwick 1974b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1975b24ab676SJeff Bonwick 1976b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1977b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1978b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1979b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1980b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1981b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1982b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1983b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1984b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1985b24ab676SJeff Bonwick 1986b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1987b24ab676SJeff Bonwick ASSERT(missing == 0); 1988b24ab676SJeff Bonwick od->od_object = 0; 1989b24ab676SJeff Bonwick missing++; 1990b24ab676SJeff Bonwick } else { 1991b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1992b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1993b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1994b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1995b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1996b24ab676SJeff Bonwick } 1997b24ab676SJeff Bonwick 1998b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1999b24ab676SJeff Bonwick } 2000b24ab676SJeff Bonwick 2001b24ab676SJeff Bonwick return (missing); 2002b24ab676SJeff Bonwick } 2003b24ab676SJeff Bonwick 2004b24ab676SJeff Bonwick static int 2005b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 2006b24ab676SJeff Bonwick { 2007b24ab676SJeff Bonwick int missing = 0; 2008b24ab676SJeff Bonwick int error; 2009b24ab676SJeff Bonwick 2010b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 2011b24ab676SJeff Bonwick 2012b24ab676SJeff Bonwick od += count - 1; 2013b24ab676SJeff Bonwick 2014b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 2015b24ab676SJeff Bonwick if (missing) { 2016b24ab676SJeff Bonwick missing++; 2017b24ab676SJeff Bonwick continue; 2018b24ab676SJeff Bonwick } 2019b24ab676SJeff Bonwick 202080901aeaSGeorge Wilson /* 202180901aeaSGeorge Wilson * No object was found. 202280901aeaSGeorge Wilson */ 2023b24ab676SJeff Bonwick if (od->od_object == 0) 2024b24ab676SJeff Bonwick continue; 2025b24ab676SJeff Bonwick 2026b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 2027b24ab676SJeff Bonwick 2028b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 2031b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 2032b24ab676SJeff Bonwick missing++; 2033b24ab676SJeff Bonwick } else { 2034b24ab676SJeff Bonwick od->od_object = 0; 2035b24ab676SJeff Bonwick } 2036b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 2037b24ab676SJeff Bonwick } 2038b24ab676SJeff Bonwick 2039b24ab676SJeff Bonwick return (missing); 2040b24ab676SJeff Bonwick } 2041b24ab676SJeff Bonwick 2042b24ab676SJeff Bonwick static int 2043b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 2044b24ab676SJeff Bonwick void *data) 2045b24ab676SJeff Bonwick { 2046b24ab676SJeff Bonwick lr_write_t *lr; 2047b24ab676SJeff Bonwick int error; 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 2050b24ab676SJeff Bonwick 2051b24ab676SJeff Bonwick lr->lr_foid = object; 2052b24ab676SJeff Bonwick lr->lr_offset = offset; 2053b24ab676SJeff Bonwick lr->lr_length = size; 2054b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2055b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2056b24ab676SJeff Bonwick 2057b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2058b24ab676SJeff Bonwick 2059b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2060b24ab676SJeff Bonwick 2061b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2062b24ab676SJeff Bonwick 2063b24ab676SJeff Bonwick return (error); 2064b24ab676SJeff Bonwick } 2065b24ab676SJeff Bonwick 2066b24ab676SJeff Bonwick static int 2067b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2068b24ab676SJeff Bonwick { 2069b24ab676SJeff Bonwick lr_truncate_t *lr; 2070b24ab676SJeff Bonwick int error; 2071b24ab676SJeff Bonwick 2072b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2073b24ab676SJeff Bonwick 2074b24ab676SJeff Bonwick lr->lr_foid = object; 2075b24ab676SJeff Bonwick lr->lr_offset = offset; 2076b24ab676SJeff Bonwick lr->lr_length = size; 2077b24ab676SJeff Bonwick 2078b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2079b24ab676SJeff Bonwick 2080b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2081b24ab676SJeff Bonwick 2082b24ab676SJeff Bonwick return (error); 2083b24ab676SJeff Bonwick } 2084b24ab676SJeff Bonwick 2085b24ab676SJeff Bonwick static int 2086b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2087b24ab676SJeff Bonwick { 2088b24ab676SJeff Bonwick lr_setattr_t *lr; 2089b24ab676SJeff Bonwick int error; 2090b24ab676SJeff Bonwick 2091b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2092b24ab676SJeff Bonwick 2093b24ab676SJeff Bonwick lr->lr_foid = object; 2094b24ab676SJeff Bonwick lr->lr_size = 0; 2095b24ab676SJeff Bonwick lr->lr_mode = 0; 2096b24ab676SJeff Bonwick 2097b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2098b24ab676SJeff Bonwick 2099b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2100b24ab676SJeff Bonwick 2101b24ab676SJeff Bonwick return (error); 2102b24ab676SJeff Bonwick } 2103b24ab676SJeff Bonwick 2104b24ab676SJeff Bonwick static void 2105b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2106b24ab676SJeff Bonwick { 2107b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2108b24ab676SJeff Bonwick dmu_tx_t *tx; 2109b24ab676SJeff Bonwick uint64_t txg; 2110b24ab676SJeff Bonwick rl_t *rl; 2111b24ab676SJeff Bonwick 2112b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2113b24ab676SJeff Bonwick 2114b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2115b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2116b24ab676SJeff Bonwick 2117b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2118b24ab676SJeff Bonwick 2119b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2120b24ab676SJeff Bonwick 2121b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2122b24ab676SJeff Bonwick 2123b24ab676SJeff Bonwick if (txg != 0) { 2124b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2125b24ab676SJeff Bonwick dmu_tx_commit(tx); 2126b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2127b24ab676SJeff Bonwick } else { 2128b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2129b24ab676SJeff Bonwick } 2130b24ab676SJeff Bonwick 2131b24ab676SJeff Bonwick ztest_range_unlock(rl); 2132b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2133b24ab676SJeff Bonwick } 2134b24ab676SJeff Bonwick 2135b24ab676SJeff Bonwick static void 2136b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2137b24ab676SJeff Bonwick { 213880901aeaSGeorge Wilson int err; 2139b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2140b24ab676SJeff Bonwick dmu_object_info_t doi; 2141b24ab676SJeff Bonwick enum ztest_io_type io_type; 2142b24ab676SJeff Bonwick uint64_t blocksize; 2143b24ab676SJeff Bonwick void *data; 2144b24ab676SJeff Bonwick 2145b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2146b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2147b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2148b24ab676SJeff Bonwick 2149b24ab676SJeff Bonwick /* 2150b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2151b24ab676SJeff Bonwick */ 2152b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2153b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2154b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2155b24ab676SJeff Bonwick 2156c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2157c9ba2a43SEric Schrock 2158b24ab676SJeff Bonwick switch (io_type) { 2159b24ab676SJeff Bonwick 2160b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2161b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2162b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2163b24ab676SJeff Bonwick break; 2164b24ab676SJeff Bonwick 2165b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2166b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2167b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2168b24ab676SJeff Bonwick /* 2169b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2170b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2171b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2172b24ab676SJeff Bonwick */ 2173b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2174b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2175b24ab676SJeff Bonwick } 2176b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2177b24ab676SJeff Bonwick break; 2178b24ab676SJeff Bonwick 2179b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2180b24ab676SJeff Bonwick bzero(data, blocksize); 2181b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2182b24ab676SJeff Bonwick break; 2183b24ab676SJeff Bonwick 2184b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2185b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2186b24ab676SJeff Bonwick break; 2187b24ab676SJeff Bonwick 2188b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2189b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2190b24ab676SJeff Bonwick break; 219180901aeaSGeorge Wilson 219280901aeaSGeorge Wilson case ZTEST_IO_REWRITE: 219380901aeaSGeorge Wilson (void) rw_rdlock(&ztest_name_lock); 219480901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 219580901aeaSGeorge Wilson ZFS_PROP_CHECKSUM, spa_dedup_checksum(ztest_spa), 219680901aeaSGeorge Wilson B_FALSE); 219780901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 219880901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 219980901aeaSGeorge Wilson ZFS_PROP_COMPRESSION, 220080901aeaSGeorge Wilson ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), 220180901aeaSGeorge Wilson B_FALSE); 220280901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 220380901aeaSGeorge Wilson (void) rw_unlock(&ztest_name_lock); 220480901aeaSGeorge Wilson 220580901aeaSGeorge Wilson VERIFY0(dmu_read(zd->zd_os, object, offset, blocksize, data, 220680901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 220780901aeaSGeorge Wilson 220880901aeaSGeorge Wilson (void) ztest_write(zd, object, offset, blocksize, data); 220980901aeaSGeorge Wilson break; 2210b24ab676SJeff Bonwick } 2211b24ab676SJeff Bonwick 2212c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2213c9ba2a43SEric Schrock 2214b24ab676SJeff Bonwick umem_free(data, blocksize); 2215b24ab676SJeff Bonwick } 2216b24ab676SJeff Bonwick 2217b24ab676SJeff Bonwick /* 2218b24ab676SJeff Bonwick * Initialize an object description template. 2219b24ab676SJeff Bonwick */ 2220b24ab676SJeff Bonwick static void 2221b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2222b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2223b24ab676SJeff Bonwick { 2224b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2225b24ab676SJeff Bonwick od->od_object = 0; 2226b24ab676SJeff Bonwick 2227b24ab676SJeff Bonwick od->od_crtype = type; 2228b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2229b24ab676SJeff Bonwick od->od_crgen = gen; 2230b24ab676SJeff Bonwick 2231b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2232b24ab676SJeff Bonwick od->od_blocksize = 0; 2233b24ab676SJeff Bonwick od->od_gen = 0; 2234b24ab676SJeff Bonwick 2235b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2236b24ab676SJeff Bonwick tag, (int64_t)id, index); 2237b24ab676SJeff Bonwick } 2238b24ab676SJeff Bonwick 2239b24ab676SJeff Bonwick /* 2240b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2241b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2242b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2243b24ab676SJeff Bonwick * use the existing objects. 2244b24ab676SJeff Bonwick */ 2245b24ab676SJeff Bonwick static int 2246b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2247b24ab676SJeff Bonwick { 2248b24ab676SJeff Bonwick int count = size / sizeof (*od); 2249b24ab676SJeff Bonwick int rv = 0; 2250b24ab676SJeff Bonwick 2251b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2252b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2253b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2254b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2255b24ab676SJeff Bonwick rv = -1; 2256b24ab676SJeff Bonwick zd->zd_od = od; 2257b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2258b24ab676SJeff Bonwick 2259b24ab676SJeff Bonwick return (rv); 2260b24ab676SJeff Bonwick } 2261b24ab676SJeff Bonwick 2262b24ab676SJeff Bonwick /* ARGSUSED */ 2263b24ab676SJeff Bonwick void 2264b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2265b24ab676SJeff Bonwick { 2266b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2267b24ab676SJeff Bonwick 2268c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2269c9ba2a43SEric Schrock 22705002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2271b24ab676SJeff Bonwick 2272b24ab676SJeff Bonwick /* 2273b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2274b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2275b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2276b24ab676SJeff Bonwick */ 2277b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2278420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2279420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2280420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2281b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2282c9ba2a43SEric Schrock 2283c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2284c9ba2a43SEric Schrock } 2285c9ba2a43SEric Schrock 2286c9ba2a43SEric Schrock /* 2287c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2288c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2289c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2290c9ba2a43SEric Schrock */ 2291c9ba2a43SEric Schrock /* ARGSUSED */ 2292c9ba2a43SEric Schrock void 2293c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2294c9ba2a43SEric Schrock { 2295c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2296c9ba2a43SEric Schrock 229780901aeaSGeorge Wilson /* 229880901aeaSGeorge Wilson * We grab the zd_dirobj_lock to ensure that no other thread is 229980901aeaSGeorge Wilson * updating the zil (i.e. adding in-memory log records) and the 230080901aeaSGeorge Wilson * zd_zilog_lock to block any I/O. 230180901aeaSGeorge Wilson */ 230280901aeaSGeorge Wilson VERIFY0(mutex_lock(&zd->zd_dirobj_lock)); 2303c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2304c9ba2a43SEric Schrock 2305c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2306c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2307c9ba2a43SEric Schrock 2308c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2309c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2310c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2311c9ba2a43SEric Schrock 2312c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2313ce636f8bSMatthew Ahrens VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2314b24ab676SJeff Bonwick } 2315b24ab676SJeff Bonwick 2316b24ab676SJeff Bonwick /* 2317b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2318b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2319b24ab676SJeff Bonwick */ 2320b24ab676SJeff Bonwick /* ARGSUSED */ 2321b24ab676SJeff Bonwick void 2322b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2323b24ab676SJeff Bonwick { 2324420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2325b24ab676SJeff Bonwick spa_t *spa; 2326b24ab676SJeff Bonwick nvlist_t *nvroot; 2327b24ab676SJeff Bonwick 2328b24ab676SJeff Bonwick /* 2329b24ab676SJeff Bonwick * Attempt to create using a bad file. 2330b24ab676SJeff Bonwick */ 233125345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 2332b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23334445fffbSMatthew Ahrens spa_create("ztest_bad_file", nvroot, NULL, NULL)); 2334b24ab676SJeff Bonwick nvlist_free(nvroot); 2335b24ab676SJeff Bonwick 2336b24ab676SJeff Bonwick /* 2337b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2338b24ab676SJeff Bonwick */ 233925345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 2, 1); 2340b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23414445fffbSMatthew Ahrens spa_create("ztest_bad_mirror", nvroot, NULL, NULL)); 2342b24ab676SJeff Bonwick nvlist_free(nvroot); 2343b24ab676SJeff Bonwick 2344b24ab676SJeff Bonwick /* 2345b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2346b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2347b24ab676SJeff Bonwick */ 2348420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 234925345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 23504445fffbSMatthew Ahrens VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL)); 2351b24ab676SJeff Bonwick nvlist_free(nvroot); 2352b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2353420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2354b24ab676SJeff Bonwick spa_close(spa, FTAG); 2355b24ab676SJeff Bonwick 2356420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2357b24ab676SJeff Bonwick } 2358b24ab676SJeff Bonwick 235925345e46SGeorge Wilson /* ARGSUSED */ 236025345e46SGeorge Wilson void 236125345e46SGeorge Wilson ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id) 236225345e46SGeorge Wilson { 236325345e46SGeorge Wilson spa_t *spa; 236425345e46SGeorge Wilson uint64_t initial_version = SPA_VERSION_INITIAL; 236525345e46SGeorge Wilson uint64_t version, newversion; 236625345e46SGeorge Wilson nvlist_t *nvroot, *props; 236725345e46SGeorge Wilson char *name; 236825345e46SGeorge Wilson 236925345e46SGeorge Wilson VERIFY0(mutex_lock(&ztest_vdev_lock)); 237025345e46SGeorge Wilson name = kmem_asprintf("%s_upgrade", ztest_opts.zo_pool); 237125345e46SGeorge Wilson 237225345e46SGeorge Wilson /* 237325345e46SGeorge Wilson * Clean up from previous runs. 237425345e46SGeorge Wilson */ 237525345e46SGeorge Wilson (void) spa_destroy(name); 237625345e46SGeorge Wilson 237725345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, name, ztest_opts.zo_vdev_size, 0, 237825345e46SGeorge Wilson 0, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1); 237925345e46SGeorge Wilson 238025345e46SGeorge Wilson /* 238125345e46SGeorge Wilson * If we're configuring a RAIDZ device then make sure that the 238225345e46SGeorge Wilson * the initial version is capable of supporting that feature. 238325345e46SGeorge Wilson */ 238425345e46SGeorge Wilson switch (ztest_opts.zo_raidz_parity) { 238525345e46SGeorge Wilson case 0: 238625345e46SGeorge Wilson case 1: 238725345e46SGeorge Wilson initial_version = SPA_VERSION_INITIAL; 238825345e46SGeorge Wilson break; 238925345e46SGeorge Wilson case 2: 239025345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ2; 239125345e46SGeorge Wilson break; 239225345e46SGeorge Wilson case 3: 239325345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ3; 239425345e46SGeorge Wilson break; 239525345e46SGeorge Wilson } 239625345e46SGeorge Wilson 239725345e46SGeorge Wilson /* 239825345e46SGeorge Wilson * Create a pool with a spa version that can be upgraded. Pick 239925345e46SGeorge Wilson * a value between initial_version and SPA_VERSION_BEFORE_FEATURES. 240025345e46SGeorge Wilson */ 240125345e46SGeorge Wilson do { 240225345e46SGeorge Wilson version = ztest_random_spa_version(initial_version); 240325345e46SGeorge Wilson } while (version > SPA_VERSION_BEFORE_FEATURES); 240425345e46SGeorge Wilson 240525345e46SGeorge Wilson props = fnvlist_alloc(); 240625345e46SGeorge Wilson fnvlist_add_uint64(props, 240725345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION), version); 240825345e46SGeorge Wilson VERIFY0(spa_create(name, nvroot, props, NULL)); 240925345e46SGeorge Wilson fnvlist_free(nvroot); 241025345e46SGeorge Wilson fnvlist_free(props); 241125345e46SGeorge Wilson 241225345e46SGeorge Wilson VERIFY0(spa_open(name, &spa, FTAG)); 241325345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, version); 241425345e46SGeorge Wilson newversion = ztest_random_spa_version(version + 1); 241525345e46SGeorge Wilson 241625345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 241725345e46SGeorge Wilson (void) printf("upgrading spa version from %llu to %llu\n", 241825345e46SGeorge Wilson (u_longlong_t)version, (u_longlong_t)newversion); 241925345e46SGeorge Wilson } 242025345e46SGeorge Wilson 242125345e46SGeorge Wilson spa_upgrade(spa, newversion); 242225345e46SGeorge Wilson VERIFY3U(spa_version(spa), >, version); 242325345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, fnvlist_lookup_uint64(spa->spa_config, 242425345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION))); 242525345e46SGeorge Wilson spa_close(spa, FTAG); 242625345e46SGeorge Wilson 242725345e46SGeorge Wilson strfree(name); 242825345e46SGeorge Wilson VERIFY0(mutex_unlock(&ztest_vdev_lock)); 242925345e46SGeorge Wilson } 243025345e46SGeorge Wilson 2431b24ab676SJeff Bonwick static vdev_t * 2432b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2433b24ab676SJeff Bonwick { 2434b24ab676SJeff Bonwick vdev_t *mvd; 2435b24ab676SJeff Bonwick 2436b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2437b24ab676SJeff Bonwick return (vd); 2438b24ab676SJeff Bonwick 2439b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2440b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2441b24ab676SJeff Bonwick NULL) 2442b24ab676SJeff Bonwick return (mvd); 2443b24ab676SJeff Bonwick 2444b24ab676SJeff Bonwick return (NULL); 2445b24ab676SJeff Bonwick } 2446b24ab676SJeff Bonwick 2447b24ab676SJeff Bonwick /* 2448b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2449b24ab676SJeff Bonwick */ 2450b24ab676SJeff Bonwick int 2451b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2452b24ab676SJeff Bonwick { 2453b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2454b24ab676SJeff Bonwick int c; 2455b24ab676SJeff Bonwick 2456b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2457b24ab676SJeff Bonwick 2458b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2459b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2460b24ab676SJeff Bonwick 2461b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2462b24ab676SJeff Bonwick break; 2463b24ab676SJeff Bonwick } 2464b24ab676SJeff Bonwick return (c); 2465b24ab676SJeff Bonwick } 2466b24ab676SJeff Bonwick 2467b24ab676SJeff Bonwick /* 2468b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2469b24ab676SJeff Bonwick */ 2470b24ab676SJeff Bonwick /* ARGSUSED */ 2471b24ab676SJeff Bonwick void 2472b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2473b24ab676SJeff Bonwick { 2474b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2475420dfc95SChris Siden spa_t *spa = ztest_spa; 24761195e687SMark J Musante uint64_t leaves; 2477b24ab676SJeff Bonwick uint64_t guid; 2478b24ab676SJeff Bonwick nvlist_t *nvroot; 2479b24ab676SJeff Bonwick int error; 2480b24ab676SJeff Bonwick 2481420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2482*3b2aab18SMatthew Ahrens leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz; 2483b24ab676SJeff Bonwick 2484b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2485b24ab676SJeff Bonwick 2486b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2487b24ab676SJeff Bonwick 2488b24ab676SJeff Bonwick /* 2489b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2490b24ab676SJeff Bonwick */ 249188ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 249288ecc943SGeorge Wilson /* 249388ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 249488ecc943SGeorge Wilson */ 2495b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 24968654d025Sperrin 249788ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2498fa9e4066Sahrens 249988ecc943SGeorge Wilson /* 250088ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 250188ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 250288ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 250388ecc943SGeorge Wilson * grab a reference on the dataset which may cause 250488ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 250588ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 250688ecc943SGeorge Wilson */ 2507420dfc95SChris Siden VERIFY(rw_wrlock(&ztest_name_lock) == 0); 250888ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2509420dfc95SChris Siden VERIFY(rw_unlock(&ztest_name_lock) == 0); 2510fa9e4066Sahrens 251188ecc943SGeorge Wilson if (error && error != EEXIST) 251288ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 251388ecc943SGeorge Wilson } else { 251488ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 251588ecc943SGeorge Wilson 251688ecc943SGeorge Wilson /* 251788ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 251888ecc943SGeorge Wilson */ 251925345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, 2520420dfc95SChris Siden ztest_opts.zo_vdev_size, 0, 2521420dfc95SChris Siden ztest_random(4) == 0, ztest_opts.zo_raidz, 2522420dfc95SChris Siden zs->zs_mirrors, 1); 252388ecc943SGeorge Wilson 252488ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 252588ecc943SGeorge Wilson nvlist_free(nvroot); 252688ecc943SGeorge Wilson 252788ecc943SGeorge Wilson if (error == ENOSPC) 252888ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 252988ecc943SGeorge Wilson else if (error != 0) 253088ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 253188ecc943SGeorge Wilson } 253288ecc943SGeorge Wilson 2533420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2534e14bb325SJeff Bonwick } 2535fa9e4066Sahrens 2536e14bb325SJeff Bonwick /* 2537e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2538e14bb325SJeff Bonwick */ 2539b24ab676SJeff Bonwick /* ARGSUSED */ 2540e14bb325SJeff Bonwick void 2541b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2542e14bb325SJeff Bonwick { 2543b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2544420dfc95SChris Siden spa_t *spa = ztest_spa; 254531157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2546e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2547e14bb325SJeff Bonwick char *aux; 2548e14bb325SJeff Bonwick uint64_t guid = 0; 2549e14bb325SJeff Bonwick int error; 2550e14bb325SJeff Bonwick 255131157203SJeff Bonwick if (ztest_random(2) == 0) { 2552e14bb325SJeff Bonwick sav = &spa->spa_spares; 2553e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2554e14bb325SJeff Bonwick } else { 2555e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2556e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2557e14bb325SJeff Bonwick } 2558e14bb325SJeff Bonwick 2559420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2560e14bb325SJeff Bonwick 2561e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2562e14bb325SJeff Bonwick 2563e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2564e14bb325SJeff Bonwick /* 2565e14bb325SJeff Bonwick * Pick a random device to remove. 2566e14bb325SJeff Bonwick */ 2567e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2568e14bb325SJeff Bonwick } else { 2569e14bb325SJeff Bonwick /* 2570e14bb325SJeff Bonwick * Find an unused device we can add. 2571e14bb325SJeff Bonwick */ 2572b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2573e14bb325SJeff Bonwick for (;;) { 2574e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2575e14bb325SJeff Bonwick int c; 2576420dfc95SChris Siden (void) snprintf(path, sizeof (path), ztest_aux_template, 2577420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, aux, 2578420dfc95SChris Siden zs->zs_vdev_aux); 2579e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2580e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2581e14bb325SJeff Bonwick path) == 0) 2582e14bb325SJeff Bonwick break; 258331157203SJeff Bonwick if (c == sav->sav_count && 258431157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2585e14bb325SJeff Bonwick break; 2586b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2587e14bb325SJeff Bonwick } 2588e14bb325SJeff Bonwick } 2589e14bb325SJeff Bonwick 2590e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2591e14bb325SJeff Bonwick 2592e14bb325SJeff Bonwick if (guid == 0) { 2593e14bb325SJeff Bonwick /* 2594e14bb325SJeff Bonwick * Add a new device. 2595e14bb325SJeff Bonwick */ 259625345e46SGeorge Wilson nvlist_t *nvroot = make_vdev_root(NULL, aux, NULL, 2597420dfc95SChris Siden (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2598e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2599e14bb325SJeff Bonwick if (error != 0) 2600e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2601e14bb325SJeff Bonwick nvlist_free(nvroot); 2602e14bb325SJeff Bonwick } else { 2603e14bb325SJeff Bonwick /* 2604e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2605e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2606e14bb325SJeff Bonwick * of devices that have pending state changes. 2607e14bb325SJeff Bonwick */ 2608e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2609573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2610e14bb325SJeff Bonwick 2611e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2612e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2613e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2614e14bb325SJeff Bonwick } 2615e14bb325SJeff Bonwick 2616420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2617fa9e4066Sahrens } 2618fa9e4066Sahrens 26191195e687SMark J Musante /* 26201195e687SMark J Musante * split a pool if it has mirror tlvdevs 26211195e687SMark J Musante */ 26221195e687SMark J Musante /* ARGSUSED */ 26231195e687SMark J Musante void 26241195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 26251195e687SMark J Musante { 26261195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2627420dfc95SChris Siden spa_t *spa = ztest_spa; 26281195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 26291195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 26301195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 26311195e687SMark J Musante int error = 0; 26321195e687SMark J Musante 2633420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 26341195e687SMark J Musante 26351195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2636420dfc95SChris Siden if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) { 2637420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26381195e687SMark J Musante return; 26391195e687SMark J Musante } 26401195e687SMark J Musante 26411195e687SMark J Musante /* clean up the old pool, if any */ 26421195e687SMark J Musante (void) spa_destroy("splitp"); 26431195e687SMark J Musante 26441195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 26451195e687SMark J Musante 26461195e687SMark J Musante /* generate a config from the existing config */ 264798295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 26481195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 26491195e687SMark J Musante &tree) == 0); 265098295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 265198295d61SMark J Musante 26521195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 26531195e687SMark J Musante &children) == 0); 26541195e687SMark J Musante 26551195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 26561195e687SMark J Musante for (c = 0; c < children; c++) { 26571195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 26581195e687SMark J Musante nvlist_t **mchild; 26591195e687SMark J Musante uint_t mchildren; 26601195e687SMark J Musante 26611195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 26621195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 26631195e687SMark J Musante 0) == 0); 26641195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 26651195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 26661195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 26671195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 26681195e687SMark J Musante if (lastlogid == 0) 26691195e687SMark J Musante lastlogid = schildren; 26701195e687SMark J Musante ++schildren; 26711195e687SMark J Musante continue; 26721195e687SMark J Musante } 26731195e687SMark J Musante lastlogid = 0; 26741195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 26751195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 26761195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 26771195e687SMark J Musante } 26781195e687SMark J Musante 26791195e687SMark J Musante /* OK, create a config that can be used to split */ 26801195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 26811195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 26821195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 26831195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 26841195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 26851195e687SMark J Musante 26861195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 26871195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 26881195e687SMark J Musante 26891195e687SMark J Musante for (c = 0; c < schildren; c++) 26901195e687SMark J Musante nvlist_free(schild[c]); 26911195e687SMark J Musante free(schild); 26921195e687SMark J Musante nvlist_free(split); 26931195e687SMark J Musante 26941195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 26951195e687SMark J Musante 2696420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 26971195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2698420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 26991195e687SMark J Musante 27001195e687SMark J Musante nvlist_free(config); 27011195e687SMark J Musante 27021195e687SMark J Musante if (error == 0) { 27031195e687SMark J Musante (void) printf("successful split - results:\n"); 27041195e687SMark J Musante mutex_enter(&spa_namespace_lock); 27051195e687SMark J Musante show_pool_stats(spa); 27061195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 27071195e687SMark J Musante mutex_exit(&spa_namespace_lock); 27081195e687SMark J Musante ++zs->zs_splits; 27091195e687SMark J Musante --zs->zs_mirrors; 27101195e687SMark J Musante } 2711420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 27121195e687SMark J Musante 27131195e687SMark J Musante } 27141195e687SMark J Musante 2715fa9e4066Sahrens /* 2716fa9e4066Sahrens * Verify that we can attach and detach devices. 2717fa9e4066Sahrens */ 2718b24ab676SJeff Bonwick /* ARGSUSED */ 2719fa9e4066Sahrens void 2720b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2721fa9e4066Sahrens { 2722b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2723420dfc95SChris Siden spa_t *spa = ztest_spa; 272431157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2725fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2726ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2727e14bb325SJeff Bonwick nvlist_t *root; 27281195e687SMark J Musante uint64_t leaves; 2729fa9e4066Sahrens uint64_t leaf, top; 2730ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 27318ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2732ea8dc4b6Seschrock size_t oldsize, newsize; 2733ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2734fa9e4066Sahrens int replacing; 27359af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 273631157203SJeff Bonwick int newvd_is_spare = B_FALSE; 273731157203SJeff Bonwick int oldvd_is_log; 2738fa9e4066Sahrens int error, expected_error; 2739fa9e4066Sahrens 2740420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2741420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 2742fa9e4066Sahrens 2743e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2744fa9e4066Sahrens 2745fa9e4066Sahrens /* 2746fa9e4066Sahrens * Decide whether to do an attach or a replace. 2747fa9e4066Sahrens */ 2748fa9e4066Sahrens replacing = ztest_random(2); 2749fa9e4066Sahrens 2750fa9e4066Sahrens /* 2751fa9e4066Sahrens * Pick a random top-level vdev. 2752fa9e4066Sahrens */ 2753b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2754fa9e4066Sahrens 2755fa9e4066Sahrens /* 2756fa9e4066Sahrens * Pick a random leaf within it. 2757fa9e4066Sahrens */ 2758d41c4376SMark J Musante leaf = ztest_random(leaves); 2759fa9e4066Sahrens 2760fa9e4066Sahrens /* 276131157203SJeff Bonwick * Locate this vdev. 2762fa9e4066Sahrens */ 276331157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 27641195e687SMark J Musante if (zs->zs_mirrors >= 1) { 27658ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 27661195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 2767420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz]; 27688ad4d6ddSJeff Bonwick } 2769420dfc95SChris Siden if (ztest_opts.zo_raidz > 1) { 27708ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 2771420dfc95SChris Siden ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz); 2772420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf % ztest_opts.zo_raidz]; 27738ad4d6ddSJeff Bonwick } 2774fa9e4066Sahrens 2775fa9e4066Sahrens /* 277631157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 277731157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2778fa9e4066Sahrens */ 277931157203SJeff Bonwick while (oldvd->vdev_children != 0) { 27809af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 27818ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 27828ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 278331157203SJeff Bonwick } 2784fa9e4066Sahrens 278531157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2786573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 278731157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 278831157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2789ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 27908ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2791fa9e4066Sahrens 27929af0a4dfSJeff Bonwick /* 27939af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 27949af0a4dfSJeff Bonwick */ 27959af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 27969af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 27978ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 27988ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 27998ad4d6ddSJeff Bonwick error != ENOTSUP) 28008ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2801420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 28029af0a4dfSJeff Bonwick return; 28039af0a4dfSJeff Bonwick } 28049af0a4dfSJeff Bonwick 2805fa9e4066Sahrens /* 280631157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 280731157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2808fa9e4066Sahrens */ 280931157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 281031157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 281131157203SJeff Bonwick newvd_is_spare = B_TRUE; 281231157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 281331157203SJeff Bonwick } else { 281431157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 2815420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 2816420dfc95SChris Siden top * leaves + leaf); 281731157203SJeff Bonwick if (ztest_random(2) == 0) 281831157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 281931157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 282031157203SJeff Bonwick } 282131157203SJeff Bonwick 282231157203SJeff Bonwick if (newvd) { 2823573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 282431157203SJeff Bonwick } else { 282531157203SJeff Bonwick /* 282631157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 282731157203SJeff Bonwick * If it's smaller, the attach should fail. 282831157203SJeff Bonwick * If it's larger, and we're doing a replace, 282931157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 283031157203SJeff Bonwick */ 283131157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 283231157203SJeff Bonwick } 2833fa9e4066Sahrens 2834fa9e4066Sahrens /* 2835fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2836fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2837fa9e4066Sahrens * 2838ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2839fa9e4066Sahrens * 2840ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2841fa9e4066Sahrens */ 284231157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 284331157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 284431157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 284531157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 284631157203SJeff Bonwick expected_error = ENOTSUP; 284731157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2848fa9e4066Sahrens expected_error = ENOTSUP; 284931157203SJeff Bonwick else if (newvd == oldvd) 285031157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 285131157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 285231157203SJeff Bonwick expected_error = EBUSY; 2853ea8dc4b6Seschrock else if (newsize < oldsize) 2854fa9e4066Sahrens expected_error = EOVERFLOW; 2855ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2856ecc2d604Sbonwick expected_error = EDOM; 2857fa9e4066Sahrens else 2858fa9e4066Sahrens expected_error = 0; 2859fa9e4066Sahrens 2860e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2861fa9e4066Sahrens 2862fa9e4066Sahrens /* 2863ea8dc4b6Seschrock * Build the nvlist describing newpath. 2864fa9e4066Sahrens */ 286525345e46SGeorge Wilson root = make_vdev_root(newpath, NULL, NULL, newvd == NULL ? newsize : 0, 2866e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2867fa9e4066Sahrens 286831157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2869fa9e4066Sahrens 2870fa9e4066Sahrens nvlist_free(root); 2871fa9e4066Sahrens 2872fa9e4066Sahrens /* 2873fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2874fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2875fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2876fa9e4066Sahrens */ 2877fa9e4066Sahrens if (expected_error == ENOTSUP && 2878fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2879fa9e4066Sahrens expected_error = error; 2880fa9e4066Sahrens 2881f0aa80d4Sbonwick /* 2882f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2883f0aa80d4Sbonwick */ 2884088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2885f0aa80d4Sbonwick expected_error = error; 2886f0aa80d4Sbonwick 2887088f3894Sahrens /* XXX workaround 6690467 */ 2888088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2889088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2890088f3894Sahrens "returned %d, expected %d", 2891088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2892088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2893fa9e4066Sahrens } 2894fa9e4066Sahrens 2895420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2896fa9e4066Sahrens } 2897fa9e4066Sahrens 2898573ca77eSGeorge Wilson /* 2899573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2900573ca77eSGeorge Wilson */ 2901573ca77eSGeorge Wilson vdev_t * 2902573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2903573ca77eSGeorge Wilson { 2904573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2905573ca77eSGeorge Wilson size_t *newsize = arg; 2906573ca77eSGeorge Wilson size_t fsize; 2907573ca77eSGeorge Wilson int fd; 2908573ca77eSGeorge Wilson 2909573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2910573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2911573ca77eSGeorge Wilson 2912573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2913573ca77eSGeorge Wilson return (vd); 2914573ca77eSGeorge Wilson 2915573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2916573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2917573ca77eSGeorge Wilson 2918420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2919573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2920573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2921573ca77eSGeorge Wilson } 2922573ca77eSGeorge Wilson (void) close(fd); 2923573ca77eSGeorge Wilson return (NULL); 2924573ca77eSGeorge Wilson } 2925573ca77eSGeorge Wilson 2926573ca77eSGeorge Wilson /* 2927573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2928573ca77eSGeorge Wilson */ 2929573ca77eSGeorge Wilson /* ARGSUSED */ 2930573ca77eSGeorge Wilson vdev_t * 2931573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2932573ca77eSGeorge Wilson { 2933573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2934573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2935573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 29368f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2937095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2938095bcd66SGeorge Wilson int error; 2939573ca77eSGeorge Wilson 2940573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2941573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2942573ca77eSGeorge Wilson 2943573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2944573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2945095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2946573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2947573ca77eSGeorge Wilson 2948095bcd66SGeorge Wilson /* 2949095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2950095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2951095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2952095bcd66SGeorge Wilson */ 2953095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2954420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2955095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2956095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2957095bcd66SGeorge Wilson } 2958095bcd66SGeorge Wilson return (vd); 2959095bcd66SGeorge Wilson } 2960095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2961095bcd66SGeorge Wilson 2962573ca77eSGeorge Wilson /* 2963573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2964573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2965573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2966573ca77eSGeorge Wilson * trying to online it. 2967573ca77eSGeorge Wilson */ 29688f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 2969420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 29708f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 29718f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2972b24ab676SJeff Bonwick "got gen %llu\n", 2973b24ab676SJeff Bonwick (u_longlong_t)guid, 29748f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 29758f18d1faSGeorge Wilson (u_longlong_t)generation, 29768f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2977573ca77eSGeorge Wilson } 2978573ca77eSGeorge Wilson return (vd); 2979573ca77eSGeorge Wilson } 2980573ca77eSGeorge Wilson return (NULL); 2981573ca77eSGeorge Wilson } 2982573ca77eSGeorge Wilson 2983573ca77eSGeorge Wilson /* 2984573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2985573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2986573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2987573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2988573ca77eSGeorge Wilson * leaf vdev we encounter. 2989573ca77eSGeorge Wilson */ 2990573ca77eSGeorge Wilson vdev_t * 2991573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2992573ca77eSGeorge Wilson { 2993573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2994573ca77eSGeorge Wilson if (func == NULL) 2995573ca77eSGeorge Wilson return (vd); 2996573ca77eSGeorge Wilson else 2997573ca77eSGeorge Wilson return (func(vd, arg)); 2998573ca77eSGeorge Wilson } 2999573ca77eSGeorge Wilson 3000573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 3001573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 3002573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 3003573ca77eSGeorge Wilson return (cvd); 3004573ca77eSGeorge Wilson } 3005573ca77eSGeorge Wilson return (NULL); 3006573ca77eSGeorge Wilson } 3007573ca77eSGeorge Wilson 3008fa9e4066Sahrens /* 3009fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 3010fa9e4066Sahrens */ 3011b24ab676SJeff Bonwick /* ARGSUSED */ 3012fa9e4066Sahrens void 3013b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 3014fa9e4066Sahrens { 3015420dfc95SChris Siden spa_t *spa = ztest_spa; 3016b24ab676SJeff Bonwick vdev_t *vd, *tvd; 3017b24ab676SJeff Bonwick metaslab_class_t *mc; 3018b24ab676SJeff Bonwick metaslab_group_t *mg; 3019573ca77eSGeorge Wilson size_t psize, newsize; 3020b24ab676SJeff Bonwick uint64_t top; 3021b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 3022fa9e4066Sahrens 3023420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 3024573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 3025573ca77eSGeorge Wilson 3026b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 3027573ca77eSGeorge Wilson 3028b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 3029b24ab676SJeff Bonwick mg = tvd->vdev_mg; 3030b24ab676SJeff Bonwick mc = mg->mg_class; 3031b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 3032b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 3033fa9e4066Sahrens 3034fa9e4066Sahrens /* 3035573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 3036573ca77eSGeorge Wilson * our top-level device. 3037fa9e4066Sahrens */ 3038573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 3039573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 3040573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 3041fa9e4066Sahrens 3042573ca77eSGeorge Wilson psize = vd->vdev_psize; 3043fa9e4066Sahrens 3044573ca77eSGeorge Wilson /* 30458f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 30468f18d1faSGeorge Wilson * original size, and it has a valid psize. 3047573ca77eSGeorge Wilson */ 30488f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 3049420dfc95SChris Siden psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) { 3050573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3051420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3052573ca77eSGeorge Wilson return; 3053573ca77eSGeorge Wilson } 3054573ca77eSGeorge Wilson ASSERT(psize > 0); 3055573ca77eSGeorge Wilson newsize = psize + psize / 8; 3056573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 3057fa9e4066Sahrens 3058420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 3059b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 3060573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 3061573ca77eSGeorge Wilson } 3062573ca77eSGeorge Wilson 3063573ca77eSGeorge Wilson /* 3064573ca77eSGeorge Wilson * Growing the vdev is a two step process: 3065573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 3066573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 3067573ca77eSGeorge Wilson */ 3068573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 3069573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 3070573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 3071420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3072b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 3073b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 3074b24ab676SJeff Bonwick } 3075b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3076420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3077b24ab676SJeff Bonwick return; 3078b24ab676SJeff Bonwick } 3079b24ab676SJeff Bonwick 3080b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3081b24ab676SJeff Bonwick 3082b24ab676SJeff Bonwick /* 3083b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 3084b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 3085b24ab676SJeff Bonwick * pending tasks before proceeding. 3086b24ab676SJeff Bonwick */ 3087b24ab676SJeff Bonwick for (;;) { 3088b24ab676SJeff Bonwick boolean_t done; 3089b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 3090b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 3091b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 3092b24ab676SJeff Bonwick if (done) 3093b24ab676SJeff Bonwick break; 3094b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 3095b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 3096b24ab676SJeff Bonwick } 3097b24ab676SJeff Bonwick 3098b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 3099b24ab676SJeff Bonwick 3100b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 3101b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 3102b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 3103b24ab676SJeff Bonwick 3104b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 3105420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3106b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 3107b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 3108fa9e4066Sahrens } 3109b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3110420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3111573ca77eSGeorge Wilson return; 3112fa9e4066Sahrens } 3113fa9e4066Sahrens 3114573ca77eSGeorge Wilson /* 3115b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 3116573ca77eSGeorge Wilson */ 3117b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 3118b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 3119b24ab676SJeff Bonwick old_ms_count, new_ms_count); 3120573ca77eSGeorge Wilson 3121573ca77eSGeorge Wilson /* 3122573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 3123573ca77eSGeorge Wilson */ 3124b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 3125b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 3126b24ab676SJeff Bonwick old_class_space, new_class_space); 3127b24ab676SJeff Bonwick 3128420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3129573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 3130573ca77eSGeorge Wilson 3131b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 3132b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 3133573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 3134573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 3135573ca77eSGeorge Wilson } 3136b24ab676SJeff Bonwick 3137573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3138420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3139fa9e4066Sahrens } 3140fa9e4066Sahrens 3141b24ab676SJeff Bonwick /* 3142b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 3143b24ab676SJeff Bonwick */ 3144fa9e4066Sahrens /* ARGSUSED */ 3145fa9e4066Sahrens static void 3146b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 3147fa9e4066Sahrens { 3148fa9e4066Sahrens /* 3149b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 3150fa9e4066Sahrens */ 3151b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 3152fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 3153fa9e4066Sahrens } 3154fa9e4066Sahrens 315555da60b9SMark J Musante static int 315655da60b9SMark J Musante ztest_dataset_create(char *dsname) 315755da60b9SMark J Musante { 315855da60b9SMark J Musante uint64_t zilset = ztest_random(100); 315955da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 316055da60b9SMark J Musante ztest_objset_create_cb, NULL); 316155da60b9SMark J Musante 316255da60b9SMark J Musante if (err || zilset < 80) 316355da60b9SMark J Musante return (err); 316455da60b9SMark J Musante 3165420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 3166420dfc95SChris Siden (void) printf("Setting dataset %s to sync always\n", dsname); 316755da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 316855da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 316955da60b9SMark J Musante } 317055da60b9SMark J Musante 3171b24ab676SJeff Bonwick /* ARGSUSED */ 31721d452cf5Sahrens static int 3173fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 3174fa9e4066Sahrens { 3175fa9e4066Sahrens objset_t *os; 3176b24ab676SJeff Bonwick dmu_object_info_t doi; 3177fa9e4066Sahrens int error; 3178fa9e4066Sahrens 3179fa9e4066Sahrens /* 3180fa9e4066Sahrens * Verify that the dataset contains a directory object. 3181fa9e4066Sahrens */ 3182*3b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_TRUE, FTAG, &os)); 3183b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 3184e1930233Sbonwick if (error != ENOENT) { 3185e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 3186fb09f5aaSMadhav Suresh ASSERT0(error); 3187b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 3188b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 3189e1930233Sbonwick } 3190*3b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 3191fa9e4066Sahrens 3192fa9e4066Sahrens /* 3193fa9e4066Sahrens * Destroy the dataset. 3194fa9e4066Sahrens */ 3195*3b2aab18SMatthew Ahrens if (strchr(name, '@') != NULL) { 3196*3b2aab18SMatthew Ahrens VERIFY0(dsl_destroy_snapshot(name, B_FALSE)); 3197*3b2aab18SMatthew Ahrens } else { 3198*3b2aab18SMatthew Ahrens VERIFY0(dsl_destroy_head(name)); 3199*3b2aab18SMatthew Ahrens } 32001d452cf5Sahrens return (0); 3201fa9e4066Sahrens } 3202fa9e4066Sahrens 3203b24ab676SJeff Bonwick static boolean_t 3204b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3205fa9e4066Sahrens { 3206b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3207b24ab676SJeff Bonwick int error; 3208b24ab676SJeff Bonwick 3209*3b2aab18SMatthew Ahrens (void) snprintf(snapname, sizeof (snapname), "%llu", (u_longlong_t)id); 3210b24ab676SJeff Bonwick 3211*3b2aab18SMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 3212b24ab676SJeff Bonwick if (error == ENOSPC) { 3213b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3214b24ab676SJeff Bonwick return (B_FALSE); 3215b24ab676SJeff Bonwick } 3216*3b2aab18SMatthew Ahrens if (error != 0 && error != EEXIST) { 3217*3b2aab18SMatthew Ahrens fatal(0, "ztest_snapshot_create(%s@%s) = %d", osname, 3218*3b2aab18SMatthew Ahrens snapname, error); 3219*3b2aab18SMatthew Ahrens } 3220b24ab676SJeff Bonwick return (B_TRUE); 3221b24ab676SJeff Bonwick } 3222b24ab676SJeff Bonwick 3223b24ab676SJeff Bonwick static boolean_t 3224b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3225b24ab676SJeff Bonwick { 3226b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3227b24ab676SJeff Bonwick int error; 3228b24ab676SJeff Bonwick 3229b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3230b24ab676SJeff Bonwick (u_longlong_t)id); 3231b24ab676SJeff Bonwick 3232*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snapname, B_FALSE); 3233b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3234b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3235b24ab676SJeff Bonwick return (B_TRUE); 3236fa9e4066Sahrens } 3237fa9e4066Sahrens 3238b24ab676SJeff Bonwick /* ARGSUSED */ 3239fa9e4066Sahrens void 3240b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3241fa9e4066Sahrens { 3242b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3243b24ab676SJeff Bonwick int iters; 3244fa9e4066Sahrens int error; 3245745cd3c5Smaybee objset_t *os, *os2; 3246b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3247fa9e4066Sahrens zilog_t *zilog; 3248fa9e4066Sahrens 3249420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3250b24ab676SJeff Bonwick 3251b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3252420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3253fa9e4066Sahrens 3254fa9e4066Sahrens /* 3255fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3256fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3257b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3258fa9e4066Sahrens */ 3259fa9e4066Sahrens if (ztest_random(2) == 0 && 3260503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3261420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3262b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3263b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3264503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3265fa9e4066Sahrens } 3266fa9e4066Sahrens 3267fa9e4066Sahrens /* 3268fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3269fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3270fa9e4066Sahrens * and all of its snapshots. 3271fa9e4066Sahrens */ 3272b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 32730b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3274fa9e4066Sahrens 3275fa9e4066Sahrens /* 3276fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3277fa9e4066Sahrens */ 3278*3b2aab18SMatthew Ahrens VERIFY3U(ENOENT, ==, dmu_objset_own(name, DMU_OST_OTHER, B_TRUE, 3279*3b2aab18SMatthew Ahrens FTAG, &os)); 3280fa9e4066Sahrens 3281fa9e4066Sahrens /* 3282fa9e4066Sahrens * Verify that we can create a new dataset. 3283fa9e4066Sahrens */ 328455da60b9SMark J Musante error = ztest_dataset_create(name); 3285fa9e4066Sahrens if (error) { 3286fa9e4066Sahrens if (error == ENOSPC) { 3287b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3288420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3289fa9e4066Sahrens return; 3290fa9e4066Sahrens } 3291fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3292fa9e4066Sahrens } 3293fa9e4066Sahrens 3294*3b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3295b24ab676SJeff Bonwick 3296420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3297fa9e4066Sahrens 3298fa9e4066Sahrens /* 3299fa9e4066Sahrens * Open the intent log for it. 3300fa9e4066Sahrens */ 3301b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3302fa9e4066Sahrens 3303fa9e4066Sahrens /* 3304b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3305b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3306fa9e4066Sahrens */ 3307b24ab676SJeff Bonwick iters = ztest_random(5); 3308b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3309b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3310b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3311b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3312fa9e4066Sahrens } 3313fa9e4066Sahrens 3314fa9e4066Sahrens /* 3315fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3316fa9e4066Sahrens */ 3317b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3318b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3319fa9e4066Sahrens 3320fa9e4066Sahrens /* 3321503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3322745cd3c5Smaybee */ 3323b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3324503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3325503ad85cSMatthew Ahrens 3326503ad85cSMatthew Ahrens /* 3327b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3328503ad85cSMatthew Ahrens */ 3329b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3330b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3331fa9e4066Sahrens 3332fa9e4066Sahrens zil_close(zilog); 3333503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3334b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3335fa9e4066Sahrens 3336420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3337fa9e4066Sahrens } 3338fa9e4066Sahrens 3339fa9e4066Sahrens /* 3340fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3341fa9e4066Sahrens */ 3342fa9e4066Sahrens void 3343b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3344fa9e4066Sahrens { 3345420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3346b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3347b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3348420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 33494f5064b7SMark J Musante } 33504f5064b7SMark J Musante 3351718d718aSGeorge Wilson /* 3352718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3353718d718aSGeorge Wilson */ 3354718d718aSGeorge Wilson void 3355b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3356718d718aSGeorge Wilson { 3357b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3358b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3359b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3360b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3361b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3362718d718aSGeorge Wilson int error; 3363718d718aSGeorge Wilson 3364b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3365b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3366b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3367b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3368b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3369718d718aSGeorge Wilson 3370*3b2aab18SMatthew Ahrens error = dsl_destroy_head(clone2name); 3371718d718aSGeorge Wilson if (error && error != ENOENT) 3372*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clone2name, error); 3373*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap3name, B_FALSE); 3374718d718aSGeorge Wilson if (error && error != ENOENT) 3375*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap3name, error); 3376*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap2name, B_FALSE); 3377718d718aSGeorge Wilson if (error && error != ENOENT) 3378*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap2name, error); 3379*3b2aab18SMatthew Ahrens error = dsl_destroy_head(clone1name); 3380718d718aSGeorge Wilson if (error && error != ENOENT) 3381*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clone1name, error); 3382*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap1name, B_FALSE); 3383718d718aSGeorge Wilson if (error && error != ENOENT) 3384*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap1name, error); 3385718d718aSGeorge Wilson } 3386718d718aSGeorge Wilson 33874f5064b7SMark J Musante /* 33884f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 33894f5064b7SMark J Musante */ 33904f5064b7SMark J Musante void 3391b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 33924f5064b7SMark J Musante { 3393*3b2aab18SMatthew Ahrens objset_t *os; 3394b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3395b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3396b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3397b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3398b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3399b24ab676SJeff Bonwick char *osname = zd->zd_name; 3400b24ab676SJeff Bonwick int error; 34014f5064b7SMark J Musante 3402420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 34034f5064b7SMark J Musante 3404b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3405718d718aSGeorge Wilson 3406b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3407b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3408b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3409b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3410b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 341105312e2cSMark J Musante 34124445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1); 3413b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3414b2d22b66SGeorge Wilson if (error == ENOSPC) { 3415b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3416b2d22b66SGeorge Wilson goto out; 3417b2d22b66SGeorge Wilson } 3418b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3419b2d22b66SGeorge Wilson } 34204f5064b7SMark J Musante 3421*3b2aab18SMatthew Ahrens error = dmu_objset_clone(clone1name, snap1name); 3422b2d22b66SGeorge Wilson if (error) { 3423b2d22b66SGeorge Wilson if (error == ENOSPC) { 3424b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3425b2d22b66SGeorge Wilson goto out; 3426b2d22b66SGeorge Wilson } 3427b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3428b2d22b66SGeorge Wilson } 34294f5064b7SMark J Musante 34304445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1); 3431b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3432b2d22b66SGeorge Wilson if (error == ENOSPC) { 3433b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3434b2d22b66SGeorge Wilson goto out; 3435b2d22b66SGeorge Wilson } 3436b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3437b2d22b66SGeorge Wilson } 34384f5064b7SMark J Musante 34394445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1); 3440b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3441b2d22b66SGeorge Wilson if (error == ENOSPC) { 3442b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3443b2d22b66SGeorge Wilson goto out; 3444b2d22b66SGeorge Wilson } 3445b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3446b2d22b66SGeorge Wilson } 34474f5064b7SMark J Musante 3448*3b2aab18SMatthew Ahrens error = dmu_objset_clone(clone2name, snap3name); 3449b2d22b66SGeorge Wilson if (error) { 3450b2d22b66SGeorge Wilson if (error == ENOSPC) { 3451b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3452b2d22b66SGeorge Wilson goto out; 3453b2d22b66SGeorge Wilson } 3454b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3455b2d22b66SGeorge Wilson } 34564f5064b7SMark J Musante 3457*3b2aab18SMatthew Ahrens error = dmu_objset_own(snap2name, DMU_OST_ANY, B_TRUE, FTAG, &os); 34584f5064b7SMark J Musante if (error) 3459*3b2aab18SMatthew Ahrens fatal(0, "dmu_objset_own(%s) = %d", snap2name, error); 3460681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 34614f5064b7SMark J Musante if (error != EBUSY) 34624f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 34634f5064b7SMark J Musante error); 3464*3b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 34654f5064b7SMark J Musante 3466b2d22b66SGeorge Wilson out: 3467b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 34684f5064b7SMark J Musante 3469420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3470fa9e4066Sahrens } 3471fa9e4066Sahrens 3472fa9e4066Sahrens /* 3473fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3474fa9e4066Sahrens */ 3475fa9e4066Sahrens void 3476b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3477fa9e4066Sahrens { 3478b24ab676SJeff Bonwick ztest_od_t od[4]; 3479b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3480fa9e4066Sahrens 3481b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3482b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3483fa9e4066Sahrens 3484fa9e4066Sahrens /* 3485b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3486b24ab676SJeff Bonwick * and do some I/O on the new objects. 3487fa9e4066Sahrens */ 3488b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3489b24ab676SJeff Bonwick return; 3490fa9e4066Sahrens 3491b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3492b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3493b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3494fa9e4066Sahrens } 3495fa9e4066Sahrens 3496fa9e4066Sahrens /* 3497fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3498fa9e4066Sahrens */ 3499fa9e4066Sahrens void 3500b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3501fa9e4066Sahrens { 3502b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3503b24ab676SJeff Bonwick ztest_od_t od[2]; 3504fa9e4066Sahrens dmu_tx_t *tx; 3505fa9e4066Sahrens int i, freeit, error; 3506fa9e4066Sahrens uint64_t n, s, txg; 3507fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3508b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3509b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3510fa9e4066Sahrens uint64_t regions = 997; 3511fa9e4066Sahrens uint64_t stride = 123456789ULL; 3512fa9e4066Sahrens uint64_t width = 40; 3513fa9e4066Sahrens int free_percent = 5; 3514fa9e4066Sahrens 3515fa9e4066Sahrens /* 3516fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3517fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3518fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3519fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3520fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3521fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3522fa9e4066Sahrens * 3523fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3524fa9e4066Sahrens * bigobj, at the head of the nth chunk 3525fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3526fa9e4066Sahrens * 3527fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3528fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3529fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3530fa9e4066Sahrens * 3531fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3532fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3533fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3534fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3535fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3536fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3537fa9e4066Sahrens */ 3538fa9e4066Sahrens 3539fa9e4066Sahrens /* 3540fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3541fa9e4066Sahrens */ 3542b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3543b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3544fa9e4066Sahrens 3545b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3546b24ab676SJeff Bonwick return; 3547fa9e4066Sahrens 3548b24ab676SJeff Bonwick bigobj = od[0].od_object; 3549b24ab676SJeff Bonwick packobj = od[1].od_object; 3550b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3551b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3552fa9e4066Sahrens 3553fa9e4066Sahrens /* 3554fa9e4066Sahrens * Prefetch a random chunk of the big object. 3555fa9e4066Sahrens * Our aim here is to get some async reads in flight 3556fa9e4066Sahrens * for blocks that we may free below; the DMU should 3557fa9e4066Sahrens * handle this race correctly. 3558fa9e4066Sahrens */ 3559fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3560fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3561b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3562fa9e4066Sahrens 3563fa9e4066Sahrens /* 3564fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3565fa9e4066Sahrens */ 3566fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3567fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3568fa9e4066Sahrens 3569fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3570fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3571fa9e4066Sahrens 3572b24ab676SJeff Bonwick bigoff = n * chunksize; 3573b24ab676SJeff Bonwick bigsize = s * chunksize; 3574fa9e4066Sahrens 3575fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3576fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3577fa9e4066Sahrens 3578fa9e4066Sahrens /* 3579fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3580fa9e4066Sahrens * overwriting it. 3581fa9e4066Sahrens */ 3582fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3583fa9e4066Sahrens 3584fa9e4066Sahrens /* 3585fa9e4066Sahrens * Read the current contents of our objects. 3586fa9e4066Sahrens */ 3587b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 35887bfdf011SNeil Perrin DMU_READ_PREFETCH); 3589fb09f5aaSMadhav Suresh ASSERT0(error); 3590b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 35917bfdf011SNeil Perrin DMU_READ_PREFETCH); 3592fb09f5aaSMadhav Suresh ASSERT0(error); 3593fa9e4066Sahrens 3594fa9e4066Sahrens /* 3595fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3596fa9e4066Sahrens */ 3597fa9e4066Sahrens tx = dmu_tx_create(os); 3598fa9e4066Sahrens 3599b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3600fa9e4066Sahrens 3601fa9e4066Sahrens if (freeit) 3602b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3603fa9e4066Sahrens else 3604b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3605fa9e4066Sahrens 3606b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3607b24ab676SJeff Bonwick if (txg == 0) { 3608fa9e4066Sahrens umem_free(packbuf, packsize); 3609fa9e4066Sahrens umem_free(bigbuf, bigsize); 3610fa9e4066Sahrens return; 3611fa9e4066Sahrens } 3612fa9e4066Sahrens 3613b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3614b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3615b24ab676SJeff Bonwick 3616b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3617b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3618fa9e4066Sahrens 3619fa9e4066Sahrens /* 3620fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3621fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3622fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3623fa9e4066Sahrens * with the new values we want to write out. 3624fa9e4066Sahrens */ 3625fa9e4066Sahrens for (i = 0; i < s; i++) { 3626fa9e4066Sahrens /* LINTED */ 3627fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3628fa9e4066Sahrens /* LINTED */ 3629b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3630fa9e4066Sahrens /* LINTED */ 3631b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3632fa9e4066Sahrens 3633fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3634fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3635fa9e4066Sahrens 3636fa9e4066Sahrens if (pack->bw_txg > txg) 3637fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3638fa9e4066Sahrens pack->bw_txg, txg); 3639fa9e4066Sahrens 3640fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3641fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3642fa9e4066Sahrens pack->bw_index, n, i); 3643fa9e4066Sahrens 3644fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3645fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3646fa9e4066Sahrens 3647fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3648fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3649fa9e4066Sahrens 3650fa9e4066Sahrens if (freeit) { 3651fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3652fa9e4066Sahrens } else { 3653fa9e4066Sahrens pack->bw_index = n + i; 3654fa9e4066Sahrens pack->bw_txg = txg; 3655fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3656fa9e4066Sahrens } 3657fa9e4066Sahrens *bigH = *pack; 3658fa9e4066Sahrens *bigT = *pack; 3659fa9e4066Sahrens } 3660fa9e4066Sahrens 3661fa9e4066Sahrens /* 3662fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3663fa9e4066Sahrens * Now write them out. 3664fa9e4066Sahrens */ 3665b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3666fa9e4066Sahrens 3667fa9e4066Sahrens if (freeit) { 3668420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3669fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3670fa9e4066Sahrens " txg %llx\n", 3671fa9e4066Sahrens (u_longlong_t)bigoff, 3672fa9e4066Sahrens (u_longlong_t)bigsize, 3673fa9e4066Sahrens (u_longlong_t)txg); 3674fa9e4066Sahrens } 3675b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3676fa9e4066Sahrens } else { 3677420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3678fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3679fa9e4066Sahrens " txg %llx\n", 3680fa9e4066Sahrens (u_longlong_t)bigoff, 3681fa9e4066Sahrens (u_longlong_t)bigsize, 3682fa9e4066Sahrens (u_longlong_t)txg); 3683fa9e4066Sahrens } 3684b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3685fa9e4066Sahrens } 3686fa9e4066Sahrens 3687fa9e4066Sahrens dmu_tx_commit(tx); 3688fa9e4066Sahrens 3689fa9e4066Sahrens /* 3690fa9e4066Sahrens * Sanity check the stuff we just wrote. 3691fa9e4066Sahrens */ 3692fa9e4066Sahrens { 3693fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3694fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3695fa9e4066Sahrens 3696b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36977bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3698b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 36997bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3700fa9e4066Sahrens 3701fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3702fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3703fa9e4066Sahrens 3704fa9e4066Sahrens umem_free(packcheck, packsize); 3705fa9e4066Sahrens umem_free(bigcheck, bigsize); 3706fa9e4066Sahrens } 3707fa9e4066Sahrens 3708fa9e4066Sahrens umem_free(packbuf, packsize); 3709fa9e4066Sahrens umem_free(bigbuf, bigsize); 3710fa9e4066Sahrens } 3711fa9e4066Sahrens 37122fdbea25SAleksandr Guzovskiy void 37132fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3714b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 37152fdbea25SAleksandr Guzovskiy { 37162fdbea25SAleksandr Guzovskiy uint64_t i; 37172fdbea25SAleksandr Guzovskiy bufwad_t *pack; 37182fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 37192fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 37202fdbea25SAleksandr Guzovskiy 37212fdbea25SAleksandr Guzovskiy /* 37222fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 37232fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 37242fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 37252fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 37262fdbea25SAleksandr Guzovskiy */ 37272fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 37282fdbea25SAleksandr Guzovskiy /* LINTED */ 37292fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 37302fdbea25SAleksandr Guzovskiy /* LINTED */ 3731b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 37322fdbea25SAleksandr Guzovskiy /* LINTED */ 3733b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 37342fdbea25SAleksandr Guzovskiy 37352fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 37362fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 37372fdbea25SAleksandr Guzovskiy 37382fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 37392fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 37402fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 37412fdbea25SAleksandr Guzovskiy 37422fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 37432fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 37442fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 37452fdbea25SAleksandr Guzovskiy 37462fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 37472fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 37482fdbea25SAleksandr Guzovskiy 37492fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 37502fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 37512fdbea25SAleksandr Guzovskiy 37522fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 37532fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 37542fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 37552fdbea25SAleksandr Guzovskiy 37562fdbea25SAleksandr Guzovskiy *bigH = *pack; 37572fdbea25SAleksandr Guzovskiy *bigT = *pack; 37582fdbea25SAleksandr Guzovskiy } 37592fdbea25SAleksandr Guzovskiy } 37602fdbea25SAleksandr Guzovskiy 37612fdbea25SAleksandr Guzovskiy void 3762b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 37632fdbea25SAleksandr Guzovskiy { 3764b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3765b24ab676SJeff Bonwick ztest_od_t od[2]; 37662fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 37672fdbea25SAleksandr Guzovskiy uint64_t i; 37682fdbea25SAleksandr Guzovskiy int error; 37692fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 37702fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3771b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3772b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3773b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 37742fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 37752fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 37762fdbea25SAleksandr Guzovskiy uint64_t width = 9; 37772fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 37782fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3779b24ab676SJeff Bonwick dmu_object_info_t doi; 37802fdbea25SAleksandr Guzovskiy 37812fdbea25SAleksandr Guzovskiy /* 37822fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 37832fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 37842fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 37852fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 37862fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 37872fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 37882fdbea25SAleksandr Guzovskiy * 37892fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 37902fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 37912fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 37922fdbea25SAleksandr Guzovskiy * 37932fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 37942fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 37952fdbea25SAleksandr Guzovskiy */ 37962fdbea25SAleksandr Guzovskiy 37972fdbea25SAleksandr Guzovskiy /* 37982fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 37992fdbea25SAleksandr Guzovskiy */ 3800b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3801b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 38022fdbea25SAleksandr Guzovskiy 3803b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3804b24ab676SJeff Bonwick return; 38052fdbea25SAleksandr Guzovskiy 3806b24ab676SJeff Bonwick bigobj = od[0].od_object; 3807b24ab676SJeff Bonwick packobj = od[1].od_object; 3808b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3809b24ab676SJeff Bonwick chunksize = blocksize; 3810b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 38112fdbea25SAleksandr Guzovskiy 3812b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3813b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3814b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3815b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 38162fdbea25SAleksandr Guzovskiy 38172fdbea25SAleksandr Guzovskiy /* 38182fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 38192fdbea25SAleksandr Guzovskiy */ 38202fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 38212fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 38222fdbea25SAleksandr Guzovskiy 38232fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 38242fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 38252fdbea25SAleksandr Guzovskiy 3826b24ab676SJeff Bonwick bigoff = n * chunksize; 3827b24ab676SJeff Bonwick bigsize = s * chunksize; 38282fdbea25SAleksandr Guzovskiy 38292fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 38302fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 38312fdbea25SAleksandr Guzovskiy 3832b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 38332fdbea25SAleksandr Guzovskiy 38342fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 38352fdbea25SAleksandr Guzovskiy 38362fdbea25SAleksandr Guzovskiy /* 38372fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 38382fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 38392fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 38402fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 38412fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 38422fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 38432fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 38442fdbea25SAleksandr Guzovskiy */ 38452fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 38462fdbea25SAleksandr Guzovskiy uint64_t j; 38472fdbea25SAleksandr Guzovskiy uint64_t off; 38482fdbea25SAleksandr Guzovskiy 38492fdbea25SAleksandr Guzovskiy /* 38502fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 38512fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 38522fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 38532fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 38542fdbea25SAleksandr Guzovskiy */ 38552fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38562fdbea25SAleksandr Guzovskiy if (i != 5) { 38572fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3858b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 38592fdbea25SAleksandr Guzovskiy } else { 38602fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3861b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38622fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3863b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38642fdbea25SAleksandr Guzovskiy } 38652fdbea25SAleksandr Guzovskiy } 38662fdbea25SAleksandr Guzovskiy 38672fdbea25SAleksandr Guzovskiy /* 38682fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 38692fdbea25SAleksandr Guzovskiy */ 38702fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 38712fdbea25SAleksandr Guzovskiy 3872b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3873b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 38742fdbea25SAleksandr Guzovskiy 3875b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3876b24ab676SJeff Bonwick if (txg == 0) { 38772fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 38782fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 38792fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38802fdbea25SAleksandr Guzovskiy if (i != 5) { 38812fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 38822fdbea25SAleksandr Guzovskiy } else { 38832fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38842fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 38852fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38862fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 38872fdbea25SAleksandr Guzovskiy } 38882fdbea25SAleksandr Guzovskiy } 38892fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 38902fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 38912fdbea25SAleksandr Guzovskiy return; 38922fdbea25SAleksandr Guzovskiy } 38932fdbea25SAleksandr Guzovskiy 38942fdbea25SAleksandr Guzovskiy /* 38952fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 38962fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 38972fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 38982fdbea25SAleksandr Guzovskiy */ 38992fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3900b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 39017bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 3902fb09f5aaSMadhav Suresh ASSERT0(error); 3903b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 39047bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 3905fb09f5aaSMadhav Suresh ASSERT0(error); 39062fdbea25SAleksandr Guzovskiy } 39072fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3908b24ab676SJeff Bonwick n, chunksize, txg); 39092fdbea25SAleksandr Guzovskiy 39102fdbea25SAleksandr Guzovskiy /* 39112fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 39122fdbea25SAleksandr Guzovskiy * Now write them out. 39132fdbea25SAleksandr Guzovskiy */ 3914b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3915420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 39162fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 39172fdbea25SAleksandr Guzovskiy " txg %llx\n", 39182fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 39192fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 39202fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 39212fdbea25SAleksandr Guzovskiy } 3922b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 39232fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 39242fdbea25SAleksandr Guzovskiy if (i != 5) { 39252fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3926b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 39272fdbea25SAleksandr Guzovskiy } else { 39282fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 39292fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3930b24ab676SJeff Bonwick chunksize / 2); 39312fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3932b24ab676SJeff Bonwick chunksize / 2, 39332fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3934b24ab676SJeff Bonwick chunksize / 2); 39352fdbea25SAleksandr Guzovskiy } 39362fdbea25SAleksandr Guzovskiy 39372fdbea25SAleksandr Guzovskiy if (i == 1) { 3938b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 393947cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 39402fdbea25SAleksandr Guzovskiy } 39412fdbea25SAleksandr Guzovskiy if (i != 5) { 39422fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39432fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 39442fdbea25SAleksandr Guzovskiy } else { 39452fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39462fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 39472fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3948b24ab676SJeff Bonwick off + chunksize / 2, 39492fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 39502fdbea25SAleksandr Guzovskiy } 39512fdbea25SAleksandr Guzovskiy if (i == 1) { 39522fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 39532fdbea25SAleksandr Guzovskiy } 39542fdbea25SAleksandr Guzovskiy } 39552fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 39562fdbea25SAleksandr Guzovskiy 39572fdbea25SAleksandr Guzovskiy /* 39582fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 39592fdbea25SAleksandr Guzovskiy */ 39602fdbea25SAleksandr Guzovskiy { 39612fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 39622fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 39632fdbea25SAleksandr Guzovskiy 3964b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 39657bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3966b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 39677bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 39682fdbea25SAleksandr Guzovskiy 39692fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 39702fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 39712fdbea25SAleksandr Guzovskiy 39722fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 39732fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 39742fdbea25SAleksandr Guzovskiy } 39752fdbea25SAleksandr Guzovskiy if (i == 2) { 3976b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3977b24ab676SJeff Bonwick } else if (i == 3) { 3978b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3979fa9e4066Sahrens } 3980e05725b1Sbonwick } 3981e05725b1Sbonwick 3982b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3983b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3984b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3985b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3986b24ab676SJeff Bonwick } 3987fa9e4066Sahrens 3988b24ab676SJeff Bonwick /* ARGSUSED */ 3989b24ab676SJeff Bonwick void 3990b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3991b24ab676SJeff Bonwick { 3992b24ab676SJeff Bonwick ztest_od_t od[1]; 3993b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3994b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3995fa9e4066Sahrens 3996e05725b1Sbonwick /* 3997b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3998b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3999b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 4000e05725b1Sbonwick */ 4001b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4002fa9e4066Sahrens 4003b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4004e05725b1Sbonwick return; 4005fa9e4066Sahrens 4006b24ab676SJeff Bonwick while (ztest_random(10) != 0) 4007b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 4008b24ab676SJeff Bonwick } 4009fa9e4066Sahrens 4010b24ab676SJeff Bonwick void 4011b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 4012b24ab676SJeff Bonwick { 4013b24ab676SJeff Bonwick ztest_od_t od[1]; 4014b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 4015b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 4016b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 4017b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 4018b24ab676SJeff Bonwick void *data; 4019fa9e4066Sahrens 4020b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4021fa9e4066Sahrens 4022b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4023e05725b1Sbonwick return; 40240e34b6a7Sbonwick 4025b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 4026f4a72450SJeff Bonwick return; 4027f4a72450SJeff Bonwick 4028b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 4029fa9e4066Sahrens 4030b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 4031b24ab676SJeff Bonwick 4032b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 4033b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 4034b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 4035b24ab676SJeff Bonwick data) != 0) 4036b24ab676SJeff Bonwick break; 4037b24ab676SJeff Bonwick while (ztest_random(4) != 0) 4038b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 4039b24ab676SJeff Bonwick } 4040b24ab676SJeff Bonwick 4041b24ab676SJeff Bonwick umem_free(data, blocksize); 4042fa9e4066Sahrens } 4043fa9e4066Sahrens 4044fa9e4066Sahrens /* 4045fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 4046fa9e4066Sahrens */ 4047fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 4048fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 4049fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 4050fa9e4066Sahrens 4051fa9e4066Sahrens void 4052b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 4053fa9e4066Sahrens { 4054b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4055b24ab676SJeff Bonwick ztest_od_t od[1]; 4056fa9e4066Sahrens uint64_t object; 4057fa9e4066Sahrens uint64_t txg, last_txg; 4058fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 4059fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 4060fa9e4066Sahrens int i, ints; 4061fa9e4066Sahrens dmu_tx_t *tx; 4062fa9e4066Sahrens char propname[100], txgname[100]; 4063fa9e4066Sahrens int error; 4064fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 4065fa9e4066Sahrens 4066b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 4067fa9e4066Sahrens 4068b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4069b24ab676SJeff Bonwick return; 4070fa9e4066Sahrens 4071b24ab676SJeff Bonwick object = od[0].od_object; 4072fa9e4066Sahrens 4073b24ab676SJeff Bonwick /* 4074b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 4075b24ab676SJeff Bonwick * we can lookup and remove both entries. 4076b24ab676SJeff Bonwick */ 4077b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4078b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4079b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4080b24ab676SJeff Bonwick if (txg == 0) 4081b24ab676SJeff Bonwick return; 4082b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4083b24ab676SJeff Bonwick value[i] = i; 4084b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 4085b24ab676SJeff Bonwick 1, &value[i], tx)); 4086b24ab676SJeff Bonwick } 4087b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4088b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 4089b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 4090b420f3adSRichard Lowe VERIFY3U(0, ==, 4091b420f3adSRichard Lowe zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 4092b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4093b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 4094fa9e4066Sahrens } 4095b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4096b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 4097b24ab676SJeff Bonwick } 4098b24ab676SJeff Bonwick dmu_tx_commit(tx); 4099fa9e4066Sahrens 4100b24ab676SJeff Bonwick /* 4101b24ab676SJeff Bonwick * Generate a buch of random entries. 4102b24ab676SJeff Bonwick */ 4103fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 4104fa9e4066Sahrens 4105e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4106e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4107e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4108e05725b1Sbonwick bzero(value, sizeof (value)); 4109e05725b1Sbonwick last_txg = 0; 4110fa9e4066Sahrens 4111e05725b1Sbonwick /* 4112e05725b1Sbonwick * If these zap entries already exist, validate their contents. 4113e05725b1Sbonwick */ 4114e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4115e05725b1Sbonwick if (error == 0) { 4116e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4117e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 4118fa9e4066Sahrens 4119e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 4120e05725b1Sbonwick zl_ints, &last_txg) == 0); 4121fa9e4066Sahrens 4122e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 4123e05725b1Sbonwick &zl_ints) == 0); 4124fa9e4066Sahrens 4125e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4126e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 4127fa9e4066Sahrens 4128e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 4129e05725b1Sbonwick zl_ints, value) == 0); 4130fa9e4066Sahrens 4131e05725b1Sbonwick for (i = 0; i < ints; i++) { 4132e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 4133fa9e4066Sahrens } 4134e05725b1Sbonwick } else { 4135e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4136e05725b1Sbonwick } 4137fa9e4066Sahrens 4138e05725b1Sbonwick /* 4139e05725b1Sbonwick * Atomically update two entries in our zap object. 4140e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4141e05725b1Sbonwick * in which the property was last updated. The second 4142e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4143e05725b1Sbonwick * should be txg + object + n. 4144e05725b1Sbonwick */ 4145e05725b1Sbonwick tx = dmu_tx_create(os); 4146b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4147b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4148b24ab676SJeff Bonwick if (txg == 0) 4149e05725b1Sbonwick return; 4150fa9e4066Sahrens 4151e05725b1Sbonwick if (last_txg > txg) 4152e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4153fa9e4066Sahrens 4154e05725b1Sbonwick for (i = 0; i < ints; i++) 4155e05725b1Sbonwick value[i] = txg + object + i; 4156fa9e4066Sahrens 4157b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4158b24ab676SJeff Bonwick 1, &txg, tx)); 4159b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4160b24ab676SJeff Bonwick ints, value, tx)); 4161fa9e4066Sahrens 4162e05725b1Sbonwick dmu_tx_commit(tx); 4163fa9e4066Sahrens 4164e05725b1Sbonwick /* 4165e05725b1Sbonwick * Remove a random pair of entries. 4166e05725b1Sbonwick */ 4167e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4168e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4169e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4170fa9e4066Sahrens 4171e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4172fa9e4066Sahrens 4173e05725b1Sbonwick if (error == ENOENT) 4174e05725b1Sbonwick return; 4175fa9e4066Sahrens 4176fb09f5aaSMadhav Suresh ASSERT0(error); 4177fa9e4066Sahrens 4178e05725b1Sbonwick tx = dmu_tx_create(os); 4179b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4180b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4181b24ab676SJeff Bonwick if (txg == 0) 418212a2833aSSanjeev Bagewadi return; 4183b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4184b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 418512a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 418612a2833aSSanjeev Bagewadi } 418712a2833aSSanjeev Bagewadi 418812a2833aSSanjeev Bagewadi /* 418912a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 419012a2833aSSanjeev Bagewadi */ 419112a2833aSSanjeev Bagewadi void 4192b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 419312a2833aSSanjeev Bagewadi { 4194b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4195b24ab676SJeff Bonwick ztest_od_t od[1]; 4196b24ab676SJeff Bonwick uint64_t object, txg; 419712a2833aSSanjeev Bagewadi 4198b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 419912a2833aSSanjeev Bagewadi 4200b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4201b24ab676SJeff Bonwick return; 420212a2833aSSanjeev Bagewadi 4203b24ab676SJeff Bonwick object = od[0].od_object; 420412a2833aSSanjeev Bagewadi 420512a2833aSSanjeev Bagewadi /* 4206b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 420712a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4208b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 420912a2833aSSanjeev Bagewadi */ 4210b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4211b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4212b24ab676SJeff Bonwick uint64_t value = i; 4213b24ab676SJeff Bonwick dmu_tx_t *tx; 4214b24ab676SJeff Bonwick int error; 421512a2833aSSanjeev Bagewadi 4216b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4217b24ab676SJeff Bonwick id, value); 421812a2833aSSanjeev Bagewadi 4219b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4220b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4221b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4222b24ab676SJeff Bonwick if (txg == 0) 422312a2833aSSanjeev Bagewadi return; 4224b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4225b24ab676SJeff Bonwick &value, tx); 422612a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 422712a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 422812a2833aSSanjeev Bagewadi } 4229fa9e4066Sahrens } 4230fa9e4066Sahrens 4231b24ab676SJeff Bonwick /* ARGSUSED */ 4232fa9e4066Sahrens void 4233b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4234fa9e4066Sahrens { 4235b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4236b24ab676SJeff Bonwick ztest_od_t od[1]; 4237fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4238fa9e4066Sahrens dmu_tx_t *tx; 4239fa9e4066Sahrens int i, namelen, error; 4240b24ab676SJeff Bonwick int micro = ztest_random(2); 4241fa9e4066Sahrens char name[20], string_value[20]; 4242fa9e4066Sahrens void *data; 4243fa9e4066Sahrens 4244b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4245b24ab676SJeff Bonwick 4246b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4247b24ab676SJeff Bonwick return; 4248b24ab676SJeff Bonwick 4249b24ab676SJeff Bonwick object = od[0].od_object; 4250b24ab676SJeff Bonwick 4251e05725b1Sbonwick /* 4252e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4253e05725b1Sbonwick * x is a random printable character and the dots are dots. 4254e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4255e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4256e05725b1Sbonwick */ 4257e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4258fa9e4066Sahrens 4259e05725b1Sbonwick for (i = 0; i < 3; i++) 4260e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4261e05725b1Sbonwick for (; i < namelen - 1; i++) 4262e05725b1Sbonwick name[i] = '.'; 4263e05725b1Sbonwick name[i] = '\0'; 4264fa9e4066Sahrens 4265b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4266e05725b1Sbonwick wsize = sizeof (txg); 4267e05725b1Sbonwick wc = 1; 4268e05725b1Sbonwick data = &txg; 4269e05725b1Sbonwick } else { 4270e05725b1Sbonwick wsize = 1; 4271e05725b1Sbonwick wc = namelen; 4272e05725b1Sbonwick data = string_value; 4273e05725b1Sbonwick } 4274fa9e4066Sahrens 4275e05725b1Sbonwick count = -1ULL; 4276*3b2aab18SMatthew Ahrens VERIFY0(zap_count(os, object, &count)); 4277e05725b1Sbonwick ASSERT(count != -1ULL); 4278fa9e4066Sahrens 4279e05725b1Sbonwick /* 4280e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4281e05725b1Sbonwick */ 4282e05725b1Sbonwick i = ztest_random(5); 4283e05725b1Sbonwick 4284e05725b1Sbonwick if (i >= 2) { 4285e05725b1Sbonwick tx = dmu_tx_create(os); 4286b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4287b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4288b24ab676SJeff Bonwick if (txg == 0) 4289e05725b1Sbonwick return; 4290e05725b1Sbonwick bcopy(name, string_value, namelen); 4291e05725b1Sbonwick } else { 4292e05725b1Sbonwick tx = NULL; 4293e05725b1Sbonwick txg = 0; 4294e05725b1Sbonwick bzero(string_value, namelen); 4295e05725b1Sbonwick } 4296fa9e4066Sahrens 4297e05725b1Sbonwick switch (i) { 4298fa9e4066Sahrens 4299e05725b1Sbonwick case 0: 4300e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4301e05725b1Sbonwick if (error == 0) { 4302e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4303e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4304e05725b1Sbonwick } else { 4305e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4306e05725b1Sbonwick } 4307e05725b1Sbonwick break; 4308fa9e4066Sahrens 4309e05725b1Sbonwick case 1: 4310e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4311e05725b1Sbonwick if (error == 0) { 4312e05725b1Sbonwick if (data == string_value && 4313e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4314e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4315e05725b1Sbonwick name, data, namelen); 4316e05725b1Sbonwick } else { 4317e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4318e05725b1Sbonwick } 4319e05725b1Sbonwick break; 4320fa9e4066Sahrens 4321e05725b1Sbonwick case 2: 4322e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4323e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4324e05725b1Sbonwick break; 4325fa9e4066Sahrens 4326e05725b1Sbonwick case 3: 4327e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4328e05725b1Sbonwick break; 4329fa9e4066Sahrens 4330e05725b1Sbonwick case 4: 4331e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4332e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4333e05725b1Sbonwick break; 4334fa9e4066Sahrens } 4335e05725b1Sbonwick 4336e05725b1Sbonwick if (tx != NULL) 4337e05725b1Sbonwick dmu_tx_commit(tx); 4338fa9e4066Sahrens } 4339fa9e4066Sahrens 4340d20e665cSRicardo M. Correia /* 4341d20e665cSRicardo M. Correia * Commit callback data. 4342d20e665cSRicardo M. Correia */ 4343d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4344d20e665cSRicardo M. Correia list_node_t zcd_node; 4345d20e665cSRicardo M. Correia uint64_t zcd_txg; 4346d20e665cSRicardo M. Correia int zcd_expected_err; 4347d20e665cSRicardo M. Correia boolean_t zcd_added; 4348d20e665cSRicardo M. Correia boolean_t zcd_called; 4349d20e665cSRicardo M. Correia spa_t *zcd_spa; 4350d20e665cSRicardo M. Correia } ztest_cb_data_t; 4351d20e665cSRicardo M. Correia 4352d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4353d20e665cSRicardo M. Correia static void 4354d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4355d20e665cSRicardo M. Correia { 4356d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4357d20e665cSRicardo M. Correia uint64_t synced_txg; 4358d20e665cSRicardo M. Correia 4359d20e665cSRicardo M. Correia VERIFY(data != NULL); 4360d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4361d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4362d20e665cSRicardo M. Correia 4363d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4364d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4365d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4366d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4367d20e665cSRicardo M. Correia synced_txg); 4368d20e665cSRicardo M. Correia 4369d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4370d20e665cSRicardo M. Correia 4371d20e665cSRicardo M. Correia if (error == ECANCELED) { 4372fb09f5aaSMadhav Suresh ASSERT0(data->zcd_txg); 4373d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4374d20e665cSRicardo M. Correia 4375d20e665cSRicardo M. Correia /* 4376d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4377d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4378d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4379d20e665cSRicardo M. Correia */ 4380d20e665cSRicardo M. Correia return; 4381d20e665cSRicardo M. Correia } 4382d20e665cSRicardo M. Correia 4383d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4384d20e665cSRicardo M. Correia if (!data->zcd_added) 4385d20e665cSRicardo M. Correia goto out; 4386d20e665cSRicardo M. Correia 4387d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4388d20e665cSRicardo M. Correia 4389d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4390d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4391d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4392d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4393d20e665cSRicardo M. Correia 4394d20e665cSRicardo M. Correia out: 4395d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4396d20e665cSRicardo M. Correia } 4397d20e665cSRicardo M. Correia 4398d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4399d20e665cSRicardo M. Correia static ztest_cb_data_t * 4400d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4401d20e665cSRicardo M. Correia { 4402d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4403d20e665cSRicardo M. Correia 4404d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4405d20e665cSRicardo M. Correia 4406d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4407d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4408d20e665cSRicardo M. Correia 4409d20e665cSRicardo M. Correia return (cb_data); 4410d20e665cSRicardo M. Correia } 4411d20e665cSRicardo M. Correia 4412d20e665cSRicardo M. Correia /* 4413d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4414d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4415d20e665cSRicardo M. Correia * implementation bug. 4416d20e665cSRicardo M. Correia */ 4417d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4418d20e665cSRicardo M. Correia 4419d20e665cSRicardo M. Correia /* 4420d20e665cSRicardo M. Correia * Commit callback test. 4421d20e665cSRicardo M. Correia */ 4422d20e665cSRicardo M. Correia void 4423b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4424d20e665cSRicardo M. Correia { 4425b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4426b24ab676SJeff Bonwick ztest_od_t od[1]; 4427d20e665cSRicardo M. Correia dmu_tx_t *tx; 4428d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4429d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4430d20e665cSRicardo M. Correia int i, error; 4431d20e665cSRicardo M. Correia 4432b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4433b24ab676SJeff Bonwick 4434b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4435b24ab676SJeff Bonwick return; 4436b24ab676SJeff Bonwick 4437d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4438d20e665cSRicardo M. Correia 4439d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4440d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4441d20e665cSRicardo M. Correia 4442b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4443d20e665cSRicardo M. Correia 4444d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4445d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4446d20e665cSRicardo M. Correia error = -1; 4447d20e665cSRicardo M. Correia 4448d20e665cSRicardo M. Correia if (!error) 4449d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4450d20e665cSRicardo M. Correia 4451d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4452d20e665cSRicardo M. Correia 4453d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4454d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4455d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4456d20e665cSRicardo M. Correia 4457d20e665cSRicardo M. Correia if (error) { 4458d20e665cSRicardo M. Correia /* 4459d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4460d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4461d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4462d20e665cSRicardo M. Correia * so we will check for that. 4463d20e665cSRicardo M. Correia */ 4464d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4465d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4466d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4467d20e665cSRicardo M. Correia } 4468d20e665cSRicardo M. Correia 4469d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4470d20e665cSRicardo M. Correia 4471d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4472d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4473d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4474d20e665cSRicardo M. Correia } 4475d20e665cSRicardo M. Correia 4476d20e665cSRicardo M. Correia return; 4477d20e665cSRicardo M. Correia } 4478d20e665cSRicardo M. Correia 4479d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4480d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4481d20e665cSRicardo M. Correia 4482d20e665cSRicardo M. Correia /* 4483d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4484d20e665cSRicardo M. Correia */ 4485b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4486d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4487d20e665cSRicardo M. Correia 4488d20e665cSRicardo M. Correia if (old_txg > txg) 4489d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4490d20e665cSRicardo M. Correia old_txg, txg); 4491d20e665cSRicardo M. Correia 4492b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4493d20e665cSRicardo M. Correia 4494d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4495d20e665cSRicardo M. Correia 4496d20e665cSRicardo M. Correia /* 4497d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4498d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4499d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4500d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4501d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4502d20e665cSRicardo M. Correia * implementation. 4503d20e665cSRicardo M. Correia * 4504d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4505d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4506d20e665cSRicardo M. Correia * implementation bug.. 4507d20e665cSRicardo M. Correia */ 4508d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4509d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4510d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4511d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4512d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4513d20e665cSRicardo M. Correia } 4514d20e665cSRicardo M. Correia 4515d20e665cSRicardo M. Correia /* 4516d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4517d20e665cSRicardo M. Correia * 4518d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4519d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4520d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4521d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4522d20e665cSRicardo M. Correia */ 4523d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4524d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4525d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4526d20e665cSRicardo M. Correia 4527d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4528d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4529d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4530d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4531d20e665cSRicardo M. Correia else 4532d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4533d20e665cSRicardo M. Correia cb_data[i]); 4534d20e665cSRicardo M. Correia 4535d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4536d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4537d20e665cSRicardo M. Correia 4538d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4539d20e665cSRicardo M. Correia } 4540d20e665cSRicardo M. Correia 4541d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4542d20e665cSRicardo M. Correia 4543d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4544d20e665cSRicardo M. Correia } 4545d20e665cSRicardo M. Correia 4546b24ab676SJeff Bonwick /* ARGSUSED */ 4547fa9e4066Sahrens void 4548b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4549fa9e4066Sahrens { 4550b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4551b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4552b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4553b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4554b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4555b24ab676SJeff Bonwick }; 4556fa9e4066Sahrens 4557420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4558fa9e4066Sahrens 4559b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4560b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4561b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4562fa9e4066Sahrens 4563420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4564b24ab676SJeff Bonwick } 4565fa9e4066Sahrens 4566b24ab676SJeff Bonwick /* ARGSUSED */ 4567b24ab676SJeff Bonwick void 4568b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4569b24ab676SJeff Bonwick { 4570b24ab676SJeff Bonwick nvlist_t *props = NULL; 4571ea8dc4b6Seschrock 4572420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4573ea8dc4b6Seschrock 4574420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4575b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4576fa9e4066Sahrens 4577fb09f5aaSMadhav Suresh VERIFY0(spa_prop_get(ztest_spa, &props)); 4578fa9e4066Sahrens 4579420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4580b24ab676SJeff Bonwick dump_nvlist(props, 4); 4581fa9e4066Sahrens 4582b24ab676SJeff Bonwick nvlist_free(props); 4583fa9e4066Sahrens 4584420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4585fa9e4066Sahrens } 4586fa9e4066Sahrens 4587*3b2aab18SMatthew Ahrens static int 4588*3b2aab18SMatthew Ahrens user_release_one(const char *snapname, const char *holdname) 4589*3b2aab18SMatthew Ahrens { 4590*3b2aab18SMatthew Ahrens nvlist_t *snaps, *holds; 4591*3b2aab18SMatthew Ahrens int error; 4592*3b2aab18SMatthew Ahrens 4593*3b2aab18SMatthew Ahrens snaps = fnvlist_alloc(); 4594*3b2aab18SMatthew Ahrens holds = fnvlist_alloc(); 4595*3b2aab18SMatthew Ahrens fnvlist_add_boolean(holds, holdname); 4596*3b2aab18SMatthew Ahrens fnvlist_add_nvlist(snaps, snapname, holds); 4597*3b2aab18SMatthew Ahrens fnvlist_free(holds); 4598*3b2aab18SMatthew Ahrens error = dsl_dataset_user_release(snaps, NULL); 4599*3b2aab18SMatthew Ahrens fnvlist_free(snaps); 4600*3b2aab18SMatthew Ahrens return (error); 4601*3b2aab18SMatthew Ahrens } 4602*3b2aab18SMatthew Ahrens 46035c987a37SChris Kirby /* 46045c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 46055c987a37SChris Kirby */ 46065c987a37SChris Kirby void 4607b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 46085c987a37SChris Kirby { 46095c987a37SChris Kirby int error; 4610b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 46115c987a37SChris Kirby objset_t *origin; 46125c987a37SChris Kirby char snapname[100]; 46135c987a37SChris Kirby char fullname[100]; 46145c987a37SChris Kirby char clonename[100]; 46155c987a37SChris Kirby char tag[100]; 46165c987a37SChris Kirby char osname[MAXNAMELEN]; 4617*3b2aab18SMatthew Ahrens nvlist_t *holds; 46185c987a37SChris Kirby 4619420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 46205c987a37SChris Kirby 46215c987a37SChris Kirby dmu_objset_name(os, osname); 46225c987a37SChris Kirby 4623*3b2aab18SMatthew Ahrens (void) snprintf(snapname, sizeof (snapname), "sh1_%llu", id); 4624*3b2aab18SMatthew Ahrens (void) snprintf(fullname, sizeof (fullname), "%s@%s", osname, snapname); 4625*3b2aab18SMatthew Ahrens (void) snprintf(clonename, sizeof (clonename), 4626*3b2aab18SMatthew Ahrens "%s/ch1_%llu", osname, id); 4627*3b2aab18SMatthew Ahrens (void) snprintf(tag, sizeof (tag), "tag_%llu", id); 46285c987a37SChris Kirby 46295c987a37SChris Kirby /* 46305c987a37SChris Kirby * Clean up from any previous run. 46315c987a37SChris Kirby */ 4632*3b2aab18SMatthew Ahrens error = dsl_destroy_head(clonename); 4633*3b2aab18SMatthew Ahrens if (error != ENOENT) 4634*3b2aab18SMatthew Ahrens ASSERT0(error); 4635*3b2aab18SMatthew Ahrens error = user_release_one(fullname, tag); 4636*3b2aab18SMatthew Ahrens if (error != ESRCH && error != ENOENT) 4637*3b2aab18SMatthew Ahrens ASSERT0(error); 4638*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_FALSE); 4639*3b2aab18SMatthew Ahrens if (error != ENOENT) 4640*3b2aab18SMatthew Ahrens ASSERT0(error); 46415c987a37SChris Kirby 46425c987a37SChris Kirby /* 46435c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 46445c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 46455c987a37SChris Kirby */ 46464445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46475c987a37SChris Kirby if (error) { 46485c987a37SChris Kirby if (error == ENOSPC) { 46495c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46505c987a37SChris Kirby goto out; 46515c987a37SChris Kirby } 46525c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46535c987a37SChris Kirby } 46545c987a37SChris Kirby 4655*3b2aab18SMatthew Ahrens error = dmu_objset_clone(clonename, fullname); 46565c987a37SChris Kirby if (error) { 46575c987a37SChris Kirby if (error == ENOSPC) { 46585c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 46595c987a37SChris Kirby goto out; 46605c987a37SChris Kirby } 46615c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 46625c987a37SChris Kirby } 46635c987a37SChris Kirby 4664*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_TRUE); 46655c987a37SChris Kirby if (error) { 4666*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_TRUE) = %d", 46675c987a37SChris Kirby fullname, error); 46685c987a37SChris Kirby } 46695c987a37SChris Kirby 4670*3b2aab18SMatthew Ahrens error = dsl_destroy_head(clonename); 46715c987a37SChris Kirby if (error) 4672*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clonename, error); 46735c987a37SChris Kirby 46745c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46755c987a37SChris Kirby if (error != ENOENT) 46765c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46775c987a37SChris Kirby 46785c987a37SChris Kirby /* 46795c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 46805c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 46815c987a37SChris Kirby * release hold, verify snapshot was destroyed. 46825c987a37SChris Kirby */ 46834445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46845c987a37SChris Kirby if (error) { 46855c987a37SChris Kirby if (error == ENOSPC) { 46865c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46875c987a37SChris Kirby goto out; 46885c987a37SChris Kirby } 46895c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46905c987a37SChris Kirby } 46915c987a37SChris Kirby 4692*3b2aab18SMatthew Ahrens holds = fnvlist_alloc(); 4693*3b2aab18SMatthew Ahrens fnvlist_add_string(holds, fullname, tag); 4694*3b2aab18SMatthew Ahrens error = dsl_dataset_user_hold(holds, 0, NULL); 4695*3b2aab18SMatthew Ahrens fnvlist_free(holds); 4696*3b2aab18SMatthew Ahrens 46975c987a37SChris Kirby if (error) 46985c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 46995c987a37SChris Kirby 4700*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_FALSE); 47015c987a37SChris Kirby if (error != EBUSY) { 4702*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_FALSE) = %d", 47035c987a37SChris Kirby fullname, error); 47045c987a37SChris Kirby } 47055c987a37SChris Kirby 4706*3b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_TRUE); 47075c987a37SChris Kirby if (error) { 4708*3b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_TRUE) = %d", 47095c987a37SChris Kirby fullname, error); 47105c987a37SChris Kirby } 47115c987a37SChris Kirby 4712*3b2aab18SMatthew Ahrens error = user_release_one(fullname, tag); 47135c987a37SChris Kirby if (error) 4714*3b2aab18SMatthew Ahrens fatal(0, "user_release_one(%s)", fullname, tag); 47155c987a37SChris Kirby 4716*3b2aab18SMatthew Ahrens VERIFY3U(dmu_objset_hold(fullname, FTAG, &origin), ==, ENOENT); 47175c987a37SChris Kirby 47185c987a37SChris Kirby out: 4719420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 47205c987a37SChris Kirby } 47215c987a37SChris Kirby 4722fa9e4066Sahrens /* 4723fa9e4066Sahrens * Inject random faults into the on-disk data. 4724fa9e4066Sahrens */ 4725b24ab676SJeff Bonwick /* ARGSUSED */ 4726fa9e4066Sahrens void 4727b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4728fa9e4066Sahrens { 4729b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4730420dfc95SChris Siden spa_t *spa = ztest_spa; 4731fa9e4066Sahrens int fd; 4732fa9e4066Sahrens uint64_t offset; 47331195e687SMark J Musante uint64_t leaves; 4734fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4735fa9e4066Sahrens uint64_t top, leaf; 4736fa9e4066Sahrens char path0[MAXPATHLEN]; 4737fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4738fa9e4066Sahrens size_t fsize; 4739fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4740fa9e4066Sahrens int iters = 1000; 47411195e687SMark J Musante int maxfaults; 47421195e687SMark J Musante int mirror_save; 4743e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4744ea8dc4b6Seschrock uint64_t guid0 = 0; 47458f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4746ea8dc4b6Seschrock 4747420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 47481195e687SMark J Musante maxfaults = MAXFAULTS(); 4749420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 47501195e687SMark J Musante mirror_save = zs->zs_mirrors; 4751420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47521195e687SMark J Musante 4753e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4754fa9e4066Sahrens 4755fa9e4066Sahrens /* 4756e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4757fa9e4066Sahrens */ 4758e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4759fa9e4066Sahrens 4760e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4761e14bb325SJeff Bonwick /* 4762b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4763e14bb325SJeff Bonwick */ 4764b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 47651195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4766fa9e4066Sahrens 4767e14bb325SJeff Bonwick /* 4768e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4769e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4770e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4771e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4772e14bb325SJeff Bonwick */ 4773e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4774420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4775420dfc95SChris Siden top * leaves + zs->zs_splits); 4776e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4777420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4778420dfc95SChris Siden top * leaves + leaf); 4779fa9e4066Sahrens 4780e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 47818f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 47828f18d1faSGeorge Wilson islog = B_TRUE; 47838f18d1faSGeorge Wilson 4784e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4785e14bb325SJeff Bonwick /* 4786e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4787e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4788e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4789e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4790e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4791e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4792e14bb325SJeff Bonwick * combination of this with injection of random data 4793e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4794e14bb325SJeff Bonwick */ 4795e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4796e14bb325SJeff Bonwick 4797e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4798e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4799e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4800e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4801e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4802e14bb325SJeff Bonwick } else { 4803e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4804e14bb325SJeff Bonwick } 4805e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4806e14bb325SJeff Bonwick } 4807e14bb325SJeff Bonwick } else { 4808e14bb325SJeff Bonwick /* 4809e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4810e14bb325SJeff Bonwick */ 4811e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4812fa9e4066Sahrens 4813e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4814e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4815e14bb325SJeff Bonwick return; 4816e14bb325SJeff Bonwick } 4817e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4818ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4819e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4820e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4821e14bb325SJeff Bonwick 4822e14bb325SJeff Bonwick leaf = 0; 4823e14bb325SJeff Bonwick leaves = 1; 4824e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4825fa9e4066Sahrens } 4826fa9e4066Sahrens 4827e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4828e14bb325SJeff Bonwick 4829fa9e4066Sahrens /* 48308f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 48318f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4832fa9e4066Sahrens */ 48338f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 48348ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 48358ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 48368ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 48378f18d1faSGeorge Wilson 48388f18d1faSGeorge Wilson /* 48398f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 48408f18d1faSGeorge Wilson * prevent a race between offlining a slog and 48418f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 48428f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 48438f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 48448f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 48458f18d1faSGeorge Wilson */ 48468f18d1faSGeorge Wilson if (islog) 4847420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 48488f18d1faSGeorge Wilson 48498ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 48508f18d1faSGeorge Wilson 48518f18d1faSGeorge Wilson if (islog) 4852420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 48538ad4d6ddSJeff Bonwick } else { 48549253d63dSGeorge Wilson /* 48559253d63dSGeorge Wilson * Ideally we would like to be able to randomly 48569253d63dSGeorge Wilson * call vdev_[on|off]line without holding locks 48579253d63dSGeorge Wilson * to force unpredictable failures but the side 48589253d63dSGeorge Wilson * effects of vdev_[on|off]line prevent us from 48599253d63dSGeorge Wilson * doing so. We grab the ztest_vdev_lock here to 48609253d63dSGeorge Wilson * prevent a race between injection testing and 48619253d63dSGeorge Wilson * aux_vdev removal. 48629253d63dSGeorge Wilson */ 48639253d63dSGeorge Wilson VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48648ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 48659253d63dSGeorge Wilson VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48668ad4d6ddSJeff Bonwick } 4867fa9e4066Sahrens } 4868fa9e4066Sahrens 48698f18d1faSGeorge Wilson if (maxfaults == 0) 48708f18d1faSGeorge Wilson return; 48718f18d1faSGeorge Wilson 4872fa9e4066Sahrens /* 4873ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4874fa9e4066Sahrens */ 4875fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4876fa9e4066Sahrens 4877fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4878fa9e4066Sahrens return; 4879fa9e4066Sahrens 4880fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4881fa9e4066Sahrens 4882fa9e4066Sahrens while (--iters != 0) { 4883fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4884fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4885fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4886fa9e4066Sahrens 4887fa9e4066Sahrens if (offset >= fsize) 4888fa9e4066Sahrens continue; 4889fa9e4066Sahrens 4890420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48911195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4892420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48931195e687SMark J Musante (void) close(fd); 48941195e687SMark J Musante return; 48951195e687SMark J Musante } 4896fa9e4066Sahrens 4897fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4898fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4899fa9e4066Sahrens offset, pathrand); 49001195e687SMark J Musante 4901420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 49021195e687SMark J Musante 4903420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 49041195e687SMark J Musante (void) printf("injected bad word into %s," 49051195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4906fa9e4066Sahrens } 4907fa9e4066Sahrens 4908fa9e4066Sahrens (void) close(fd); 4909fa9e4066Sahrens } 4910fa9e4066Sahrens 4911fa9e4066Sahrens /* 4912b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4913fa9e4066Sahrens */ 4914fa9e4066Sahrens void 4915b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4916fa9e4066Sahrens { 4917b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4918420dfc95SChris Siden spa_t *spa = ztest_spa; 4919b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4920b24ab676SJeff Bonwick ztest_od_t od[1]; 4921b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4922b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4923b24ab676SJeff Bonwick dmu_buf_t *db; 4924b24ab676SJeff Bonwick dmu_tx_t *tx; 4925b24ab676SJeff Bonwick void *buf; 4926b24ab676SJeff Bonwick blkptr_t blk; 4927b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4928fa9e4066Sahrens 4929b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4930b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4931fa9e4066Sahrens 4932b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4933fa9e4066Sahrens 4934b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4935b24ab676SJeff Bonwick return; 4936fa9e4066Sahrens 4937fa9e4066Sahrens /* 4938b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4939b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4940fa9e4066Sahrens */ 4941420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4942fa9e4066Sahrens 4943b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4944b24ab676SJeff Bonwick B_FALSE) != 0 || 4945b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4946b24ab676SJeff Bonwick B_FALSE) != 0) { 4947420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4948b24ab676SJeff Bonwick return; 4949b24ab676SJeff Bonwick } 4950b24ab676SJeff Bonwick 4951b24ab676SJeff Bonwick object = od[0].od_object; 4952b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4953e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4954b24ab676SJeff Bonwick 4955b24ab676SJeff Bonwick ASSERT(object != 0); 4956b24ab676SJeff Bonwick 4957b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4958b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4959b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4960b24ab676SJeff Bonwick if (txg == 0) { 4961420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4962b24ab676SJeff Bonwick return; 4963b24ab676SJeff Bonwick } 4964fa9e4066Sahrens 4965fa9e4066Sahrens /* 4966b24ab676SJeff Bonwick * Write all the copies of our block. 4967fa9e4066Sahrens */ 4968b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4969b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 4970*3b2aab18SMatthew Ahrens int error = dmu_buf_hold(os, object, offset, FTAG, &db, 4971*3b2aab18SMatthew Ahrens DMU_READ_NO_PREFETCH); 4972*3b2aab18SMatthew Ahrens if (error != 0) { 4973*3b2aab18SMatthew Ahrens fatal(B_FALSE, "dmu_buf_hold(%p, %llu, %llu) = %u", 4974*3b2aab18SMatthew Ahrens os, (long long)object, (long long) offset, error); 4975*3b2aab18SMatthew Ahrens } 4976b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4977b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4978b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4979b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4980b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4981b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4982b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4983b24ab676SJeff Bonwick } 4984fa9e4066Sahrens 4985b24ab676SJeff Bonwick dmu_tx_commit(tx); 4986b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4987fa9e4066Sahrens 4988fa9e4066Sahrens /* 4989b24ab676SJeff Bonwick * Find out what block we got. 4990fa9e4066Sahrens */ 499180901aeaSGeorge Wilson VERIFY0(dmu_buf_hold(os, object, 0, FTAG, &db, 499280901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 4993b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4994b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4995fa9e4066Sahrens 4996fa9e4066Sahrens /* 4997b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4998fa9e4066Sahrens */ 4999b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 5000b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 5001b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 5002fa9e4066Sahrens 5003b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 5004b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 5005b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 5006fa9e4066Sahrens 5007b24ab676SJeff Bonwick zio_buf_free(buf, psize); 5008fa9e4066Sahrens 5009420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5010fa9e4066Sahrens } 5011fa9e4066Sahrens 5012fa9e4066Sahrens /* 5013b24ab676SJeff Bonwick * Scrub the pool. 5014fa9e4066Sahrens */ 5015b24ab676SJeff Bonwick /* ARGSUSED */ 5016b24ab676SJeff Bonwick void 5017b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 5018fa9e4066Sahrens { 5019420dfc95SChris Siden spa_t *spa = ztest_spa; 5020fa9e4066Sahrens 50213f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5022b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 50233f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5024b24ab676SJeff Bonwick } 5025fa9e4066Sahrens 5026e9103aaeSGarrett D'Amore /* 5027e9103aaeSGarrett D'Amore * Change the guid for the pool. 5028e9103aaeSGarrett D'Amore */ 5029e9103aaeSGarrett D'Amore /* ARGSUSED */ 5030e9103aaeSGarrett D'Amore void 5031e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 5032e9103aaeSGarrett D'Amore { 5033420dfc95SChris Siden spa_t *spa = ztest_spa; 5034e9103aaeSGarrett D'Amore uint64_t orig, load; 5035dfbb9432SGeorge Wilson int error; 5036e9103aaeSGarrett D'Amore 5037e9103aaeSGarrett D'Amore orig = spa_guid(spa); 5038e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 5039dfbb9432SGeorge Wilson 5040dfbb9432SGeorge Wilson (void) rw_wrlock(&ztest_name_lock); 5041dfbb9432SGeorge Wilson error = spa_change_guid(spa); 5042dfbb9432SGeorge Wilson (void) rw_unlock(&ztest_name_lock); 5043dfbb9432SGeorge Wilson 5044dfbb9432SGeorge Wilson if (error != 0) 5045e9103aaeSGarrett D'Amore return; 5046e9103aaeSGarrett D'Amore 504725345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 5048e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 5049e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 5050e9103aaeSGarrett D'Amore } 5051e9103aaeSGarrett D'Amore 5052e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 5053e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 5054e9103aaeSGarrett D'Amore } 5055e9103aaeSGarrett D'Amore 5056b24ab676SJeff Bonwick /* 5057b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 5058b24ab676SJeff Bonwick */ 5059b24ab676SJeff Bonwick /* ARGSUSED */ 5060b24ab676SJeff Bonwick void 5061b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 5062b24ab676SJeff Bonwick { 5063b24ab676SJeff Bonwick char *oldname, *newname; 5064b24ab676SJeff Bonwick spa_t *spa; 5065fa9e4066Sahrens 5066420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 5067fa9e4066Sahrens 5068420dfc95SChris Siden oldname = ztest_opts.zo_pool; 5069b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 5070b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 5071b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 5072fa9e4066Sahrens 5073fa9e4066Sahrens /* 5074b24ab676SJeff Bonwick * Do the rename 5075fa9e4066Sahrens */ 5076b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(oldname, newname)); 5077fa9e4066Sahrens 5078fa9e4066Sahrens /* 5079b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 5080fa9e4066Sahrens */ 5081b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5082fa9e4066Sahrens 5083fa9e4066Sahrens /* 5084b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 5085fa9e4066Sahrens */ 5086b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5087fa9e4066Sahrens 5088420dfc95SChris Siden ASSERT(spa == ztest_spa); 5089b24ab676SJeff Bonwick spa_close(spa, FTAG); 5090fa9e4066Sahrens 5091b24ab676SJeff Bonwick /* 5092b24ab676SJeff Bonwick * Rename it back to the original 5093b24ab676SJeff Bonwick */ 5094b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(newname, oldname)); 5095fa9e4066Sahrens 5096fa9e4066Sahrens /* 5097b24ab676SJeff Bonwick * Make sure it can still be opened 5098fa9e4066Sahrens */ 5099b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5100fa9e4066Sahrens 5101420dfc95SChris Siden ASSERT(spa == ztest_spa); 5102b24ab676SJeff Bonwick spa_close(spa, FTAG); 5103fa9e4066Sahrens 5104b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 5105b24ab676SJeff Bonwick 5106420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5107fa9e4066Sahrens } 5108fa9e4066Sahrens 5109b24ab676SJeff Bonwick /* 5110b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 5111b24ab676SJeff Bonwick */ 5112fa9e4066Sahrens static void 5113b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 5114fa9e4066Sahrens { 5115fa9e4066Sahrens int status; 5116fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 5117fa9e4066Sahrens char zbuf[1024]; 5118fa9e4066Sahrens char *bin; 51198654d025Sperrin char *ztest; 51208654d025Sperrin char *isa; 51218654d025Sperrin int isalen; 5122fa9e4066Sahrens FILE *fp; 5123fa9e4066Sahrens 5124fa9e4066Sahrens (void) realpath(getexecname(), zdb); 5125fa9e4066Sahrens 5126fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 5127fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 51288654d025Sperrin ztest = strstr(bin, "/ztest"); 51298654d025Sperrin isa = bin + 8; 51308654d025Sperrin isalen = ztest - isa; 51318654d025Sperrin isa = strdup(isa); 5132fa9e4066Sahrens /* LINTED */ 51333a57275aSck (void) sprintf(bin, 5134f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 51358654d025Sperrin isalen, 51368654d025Sperrin isa, 5137420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 5138420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 5139f0ba89beSJeff Bonwick spa_config_path, 514088b7b0f2SMatthew Ahrens pool); 51418654d025Sperrin free(isa); 5142fa9e4066Sahrens 5143420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 5144fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 5145fa9e4066Sahrens 5146fa9e4066Sahrens fp = popen(zdb, "r"); 5147fa9e4066Sahrens 5148fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 5149420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5150fa9e4066Sahrens (void) printf("%s", zbuf); 5151fa9e4066Sahrens 5152fa9e4066Sahrens status = pclose(fp); 5153fa9e4066Sahrens 5154fa9e4066Sahrens if (status == 0) 5155fa9e4066Sahrens return; 5156fa9e4066Sahrens 5157fa9e4066Sahrens ztest_dump_core = 0; 5158fa9e4066Sahrens if (WIFEXITED(status)) 5159fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 5160fa9e4066Sahrens else 5161fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 5162fa9e4066Sahrens } 5163fa9e4066Sahrens 5164fa9e4066Sahrens static void 5165fa9e4066Sahrens ztest_walk_pool_directory(char *header) 5166fa9e4066Sahrens { 5167fa9e4066Sahrens spa_t *spa = NULL; 5168fa9e4066Sahrens 5169420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5170fa9e4066Sahrens (void) printf("%s\n", header); 5171fa9e4066Sahrens 5172fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 5173fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 5174420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5175fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 5176fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 5177fa9e4066Sahrens } 5178fa9e4066Sahrens 5179fa9e4066Sahrens static void 5180fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5181fa9e4066Sahrens { 51828ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5183fa9e4066Sahrens uint64_t pool_guid; 5184fa9e4066Sahrens spa_t *spa; 5185*3b2aab18SMatthew Ahrens int error; 5186fa9e4066Sahrens 5187420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5188fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5189fa9e4066Sahrens oldname, newname); 5190fa9e4066Sahrens } 5191fa9e4066Sahrens 5192fa9e4066Sahrens /* 5193fa9e4066Sahrens * Clean up from previous runs. 5194fa9e4066Sahrens */ 5195fa9e4066Sahrens (void) spa_destroy(newname); 5196fa9e4066Sahrens 5197fa9e4066Sahrens /* 5198fa9e4066Sahrens * Get the pool's configuration and guid. 5199fa9e4066Sahrens */ 5200b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5201fa9e4066Sahrens 52028ad4d6ddSJeff Bonwick /* 52038ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 52048ad4d6ddSJeff Bonwick */ 52058ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 52063f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 52078ad4d6ddSJeff Bonwick 5208fa9e4066Sahrens pool_guid = spa_guid(spa); 5209fa9e4066Sahrens spa_close(spa, FTAG); 5210fa9e4066Sahrens 5211fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5212fa9e4066Sahrens 5213fa9e4066Sahrens /* 5214fa9e4066Sahrens * Export it. 5215fa9e4066Sahrens */ 5216b420f3adSRichard Lowe VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5217fa9e4066Sahrens 5218fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5219fa9e4066Sahrens 52208ad4d6ddSJeff Bonwick /* 52218ad4d6ddSJeff Bonwick * Try to import it. 52228ad4d6ddSJeff Bonwick */ 52238ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 52248ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 52258ad4d6ddSJeff Bonwick nvlist_free(newconfig); 52268ad4d6ddSJeff Bonwick 5227fa9e4066Sahrens /* 5228fa9e4066Sahrens * Import it under the new name. 5229fa9e4066Sahrens */ 5230*3b2aab18SMatthew Ahrens error = spa_import(newname, config, NULL, 0); 5231*3b2aab18SMatthew Ahrens if (error != 0) { 5232*3b2aab18SMatthew Ahrens dump_nvlist(config, 0); 5233*3b2aab18SMatthew Ahrens fatal(B_FALSE, "couldn't import pool %s as %s: error %u", 5234*3b2aab18SMatthew Ahrens oldname, newname, error); 5235*3b2aab18SMatthew Ahrens } 5236fa9e4066Sahrens 5237fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5238fa9e4066Sahrens 5239fa9e4066Sahrens /* 5240fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5241fa9e4066Sahrens */ 52424b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5243fa9e4066Sahrens 5244fa9e4066Sahrens /* 5245fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5246fa9e4066Sahrens */ 52474b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5248fa9e4066Sahrens 5249fa9e4066Sahrens /* 5250fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5251fa9e4066Sahrens */ 5252b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5253fa9e4066Sahrens 5254fa9e4066Sahrens /* 5255fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5256fa9e4066Sahrens */ 5257b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5258fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5259fa9e4066Sahrens spa_close(spa, FTAG); 5260fa9e4066Sahrens 5261fa9e4066Sahrens nvlist_free(config); 5262fa9e4066Sahrens } 5263fa9e4066Sahrens 52648ad4d6ddSJeff Bonwick static void 52658ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 52668ad4d6ddSJeff Bonwick { 5267420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5268b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5269b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5270b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5271b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5272b24ab676SJeff Bonwick (void) zio_resume(spa); 52738ad4d6ddSJeff Bonwick } 52748ad4d6ddSJeff Bonwick 52750a4e9518Sgw static void * 52768ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 52770a4e9518Sgw { 5278e14bb325SJeff Bonwick spa_t *spa = arg; 52790a4e9518Sgw 52800a4e9518Sgw while (!ztest_exiting) { 5281b24ab676SJeff Bonwick if (spa_suspended(spa)) 5282b24ab676SJeff Bonwick ztest_resume(spa); 5283b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 52840a4e9518Sgw } 52850a4e9518Sgw return (NULL); 52860a4e9518Sgw } 52870a4e9518Sgw 5288b24ab676SJeff Bonwick static void * 5289b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5290b24ab676SJeff Bonwick { 5291b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5292b24ab676SJeff Bonwick int grace = 300; 5293b24ab676SJeff Bonwick hrtime_t delta; 5294b24ab676SJeff Bonwick 5295b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5296b24ab676SJeff Bonwick 5297b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5298b24ab676SJeff Bonwick 5299b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5300b24ab676SJeff Bonwick 5301b24ab676SJeff Bonwick return (NULL); 5302b24ab676SJeff Bonwick } 5303b24ab676SJeff Bonwick 5304b24ab676SJeff Bonwick static void 5305420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5306b24ab676SJeff Bonwick { 5307420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5308420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5309b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5310b24ab676SJeff Bonwick 5311b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5312b24ab676SJeff Bonwick zi->zi_func(zd, id); 5313b24ab676SJeff Bonwick 5314b24ab676SJeff Bonwick functime = gethrtime() - functime; 5315b24ab676SJeff Bonwick 5316420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5317420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5318b24ab676SJeff Bonwick 5319420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5320b24ab676SJeff Bonwick Dl_info dli; 5321b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5322b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5323b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5324b24ab676SJeff Bonwick } 5325b24ab676SJeff Bonwick } 5326b24ab676SJeff Bonwick 5327fa9e4066Sahrens static void * 5328fa9e4066Sahrens ztest_thread(void *arg) 5329fa9e4066Sahrens { 5330420dfc95SChris Siden int rand; 5331b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5332fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5333b24ab676SJeff Bonwick uint64_t call_next; 5334b24ab676SJeff Bonwick hrtime_t now; 5335fa9e4066Sahrens ztest_info_t *zi; 5336420dfc95SChris Siden ztest_shared_callstate_t *zc; 5337fa9e4066Sahrens 5338b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5339fa9e4066Sahrens /* 5340fa9e4066Sahrens * See if it's time to force a crash. 5341fa9e4066Sahrens */ 5342b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5343b24ab676SJeff Bonwick ztest_kill(zs); 5344fa9e4066Sahrens 5345fa9e4066Sahrens /* 5346b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5347fa9e4066Sahrens */ 5348b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5349b24ab676SJeff Bonwick break; 5350fa9e4066Sahrens 5351fa9e4066Sahrens /* 5352b24ab676SJeff Bonwick * Pick a random function to execute. 5353fa9e4066Sahrens */ 5354420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5355420dfc95SChris Siden zi = &ztest_info[rand]; 5356420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5357420dfc95SChris Siden call_next = zc->zc_next; 5358b24ab676SJeff Bonwick 5359b24ab676SJeff Bonwick if (now >= call_next && 5360420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5361420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5362420dfc95SChris Siden ztest_execute(rand, zi, id); 5363420dfc95SChris Siden } 5364b24ab676SJeff Bonwick } 5365fa9e4066Sahrens 5366b24ab676SJeff Bonwick return (NULL); 5367b24ab676SJeff Bonwick } 5368fa9e4066Sahrens 5369b24ab676SJeff Bonwick static void 5370b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5371b24ab676SJeff Bonwick { 5372b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5373b24ab676SJeff Bonwick } 5374fa9e4066Sahrens 5375b24ab676SJeff Bonwick static void 5376420dfc95SChris Siden ztest_dataset_destroy(int d) 5377b24ab676SJeff Bonwick { 5378b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5379fa9e4066Sahrens 5380420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5381fa9e4066Sahrens 5382420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5383b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5384fa9e4066Sahrens 5385b24ab676SJeff Bonwick /* 5386b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5387b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5388b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5389b24ab676SJeff Bonwick */ 5390420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5391420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5392b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5393420dfc95SChris Siden } 5394fa9e4066Sahrens 5395b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5396b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5397b24ab676SJeff Bonwick } 5398b24ab676SJeff Bonwick 5399b24ab676SJeff Bonwick static void 5400b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5401b24ab676SJeff Bonwick { 5402b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5403b24ab676SJeff Bonwick 5404b24ab676SJeff Bonwick /* 5405b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5406b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5407b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5408b24ab676SJeff Bonwick * If not, we have an object leak. 5409b24ab676SJeff Bonwick * 5410b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5411b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5412b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5413b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5414b24ab676SJeff Bonwick */ 5415b420f3adSRichard Lowe VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5416b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5417b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5418b24ab676SJeff Bonwick } 5419b24ab676SJeff Bonwick 5420b24ab676SJeff Bonwick static int 5421420dfc95SChris Siden ztest_dataset_open(int d) 5422b24ab676SJeff Bonwick { 5423420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5424420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5425b24ab676SJeff Bonwick objset_t *os; 5426b24ab676SJeff Bonwick zilog_t *zilog; 5427b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5428b24ab676SJeff Bonwick int error; 5429b24ab676SJeff Bonwick 5430420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5431b24ab676SJeff Bonwick 5432420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5433b24ab676SJeff Bonwick 543455da60b9SMark J Musante error = ztest_dataset_create(name); 5435b24ab676SJeff Bonwick if (error == ENOSPC) { 5436420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5437b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5438b24ab676SJeff Bonwick return (error); 5439fa9e4066Sahrens } 5440b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5441fa9e4066Sahrens 5442*3b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, zd, &os)); 5443420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5444b24ab676SJeff Bonwick 5445420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5446b24ab676SJeff Bonwick 5447b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5448b24ab676SJeff Bonwick 5449b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5450b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5451b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5452b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5453b24ab676SJeff Bonwick 5454b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5455b24ab676SJeff Bonwick 5456b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5457b24ab676SJeff Bonwick 5458b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5459b24ab676SJeff Bonwick 5460420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5461b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5462b24ab676SJeff Bonwick zd->zd_name, 5463b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5464b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5465b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5466b24ab676SJeff Bonwick 5467b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5468b24ab676SJeff Bonwick 5469b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5470b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5471b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5472b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5473b24ab676SJeff Bonwick 5474b24ab676SJeff Bonwick return (0); 5475b24ab676SJeff Bonwick } 5476b24ab676SJeff Bonwick 5477b24ab676SJeff Bonwick static void 5478420dfc95SChris Siden ztest_dataset_close(int d) 5479b24ab676SJeff Bonwick { 5480420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5481b24ab676SJeff Bonwick 5482b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5483*3b2aab18SMatthew Ahrens dmu_objset_disown(zd->zd_os, zd); 5484b24ab676SJeff Bonwick 5485b24ab676SJeff Bonwick ztest_zd_fini(zd); 5486fa9e4066Sahrens } 5487fa9e4066Sahrens 5488fa9e4066Sahrens /* 5489fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5490fa9e4066Sahrens */ 5491fa9e4066Sahrens static void 5492b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5493fa9e4066Sahrens { 5494b24ab676SJeff Bonwick thread_t *tid; 5495fa9e4066Sahrens spa_t *spa; 5496e9103aaeSGarrett D'Amore objset_t *os; 5497e14bb325SJeff Bonwick thread_t resume_tid; 5498b24ab676SJeff Bonwick int error; 5499e14bb325SJeff Bonwick 5500e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5501fa9e4066Sahrens 5502fa9e4066Sahrens /* 5503b24ab676SJeff Bonwick * Initialize parent/child shared state. 5504fa9e4066Sahrens */ 5505420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5506420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5507fa9e4066Sahrens 5508b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5509420dfc95SChris Siden zs->zs_thread_stop = 5510420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5511b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5512b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5513420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5514420dfc95SChris Siden zs->zs_thread_kill -= 5515420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5516420dfc95SChris Siden } 5517fa9e4066Sahrens 5518b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5519fa9e4066Sahrens 5520b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5521b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5522fa9e4066Sahrens 55230a4e9518Sgw /* 5524e14bb325SJeff Bonwick * Open our pool. 55250a4e9518Sgw */ 5526b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5527*3b2aab18SMatthew Ahrens VERIFY0(spa_open(ztest_opts.zo_pool, &spa, FTAG)); 552809c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5529420dfc95SChris Siden ztest_spa = spa; 5530b24ab676SJeff Bonwick 5531*3b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(ztest_opts.zo_pool, 5532*3b2aab18SMatthew Ahrens DMU_OST_ANY, B_TRUE, FTAG, &os)); 5533e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 5534*3b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 5535e9103aaeSGarrett D'Amore 5536b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 55370a4e9518Sgw 55388ad4d6ddSJeff Bonwick /* 55398ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 55408ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 55418ad4d6ddSJeff Bonwick * the only valid replica. 55428ad4d6ddSJeff Bonwick */ 55431195e687SMark J Musante if (MAXFAULTS() == 0) 55448ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 55458ad4d6ddSJeff Bonwick else 55468ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 55478ad4d6ddSJeff Bonwick 5548fa9e4066Sahrens /* 5549e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5550fa9e4066Sahrens */ 55518ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5552e14bb325SJeff Bonwick &resume_tid) == 0); 5553fa9e4066Sahrens 5554b24ab676SJeff Bonwick /* 5555b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5556b24ab676SJeff Bonwick */ 5557b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5558b24ab676SJeff Bonwick NULL) == 0); 5559b24ab676SJeff Bonwick 5560fa9e4066Sahrens /* 5561fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5562fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5563fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5564fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5565fa9e4066Sahrens */ 5566b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5567b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5568fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5569fa9e4066Sahrens (1ULL << t) + d, NULL); 5570ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5571ea8dc4b6Seschrock error == EINVAL); 5572fa9e4066Sahrens } 5573fa9e4066Sahrens } 5574fa9e4066Sahrens 5575fa9e4066Sahrens /* 5576b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5577fa9e4066Sahrens */ 5578b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5579420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5580420dfc95SChris Siden ztest_dataset_destroy(d); 5581b24ab676SJeff Bonwick } 5582fa9e4066Sahrens zs->zs_enospc_count = 0; 5583fa9e4066Sahrens 5584420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5585420dfc95SChris Siden UMEM_NOFAIL); 5586fa9e4066Sahrens 5587420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5588fa9e4066Sahrens (void) printf("starting main threads...\n"); 5589fa9e4066Sahrens 5590b24ab676SJeff Bonwick /* 5591b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5592b24ab676SJeff Bonwick */ 5593420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5594420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5595420dfc95SChris Siden ztest_dataset_open(t) != 0) 5596b24ab676SJeff Bonwick return; 5597b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5598b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5599fa9e4066Sahrens } 5600fa9e4066Sahrens 5601b24ab676SJeff Bonwick /* 5602b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5603b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5604b24ab676SJeff Bonwick */ 5605420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5606b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5607420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5608420dfc95SChris Siden ztest_dataset_close(t); 5609fa9e4066Sahrens } 5610fa9e4066Sahrens 5611fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5612fa9e4066Sahrens 5613b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5614b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5615b24ab676SJeff Bonwick 5616420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5617b24ab676SJeff Bonwick 5618b24ab676SJeff Bonwick /* Kill the resume thread */ 5619b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5620b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5621b24ab676SJeff Bonwick ztest_resume(spa); 5622b24ab676SJeff Bonwick 5623b24ab676SJeff Bonwick /* 5624b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5625b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5626b24ab676SJeff Bonwick */ 5627b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5628b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5629b24ab676SJeff Bonwick 5630b24ab676SJeff Bonwick spa_close(spa, FTAG); 5631fa9e4066Sahrens 5632fa9e4066Sahrens /* 5633b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5634fa9e4066Sahrens */ 5635b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5636b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5637420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5638b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5639b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5640b24ab676SJeff Bonwick 5641b24ab676SJeff Bonwick /* 5642b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5643b24ab676SJeff Bonwick * different name. 5644b24ab676SJeff Bonwick */ 5645b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5646b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5647420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5648420dfc95SChris Siden ztest_opts.zo_pool); 5649420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5650420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5651b24ab676SJeff Bonwick } 5652b24ab676SJeff Bonwick 5653b24ab676SJeff Bonwick kernel_fini(); 565426cb54a9SGeorge Wilson 565526cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 565626cb54a9SGeorge Wilson 565726cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 565826cb54a9SGeorge Wilson 5659420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5660420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5661b24ab676SJeff Bonwick } 5662b24ab676SJeff Bonwick 5663b24ab676SJeff Bonwick static void 5664420dfc95SChris Siden ztest_freeze(void) 5665b24ab676SJeff Bonwick { 5666420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5667b24ab676SJeff Bonwick spa_t *spa; 56682215e990SMark J Musante int numloops = 0; 5669b24ab676SJeff Bonwick 5670420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5671b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5672718d718aSGeorge Wilson 5673b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5674b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5675b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 567680901aeaSGeorge Wilson spa->spa_debug = B_TRUE; 567780901aeaSGeorge Wilson ztest_spa = spa; 5678718d718aSGeorge Wilson 5679b24ab676SJeff Bonwick /* 5680b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5681b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5682b24ab676SJeff Bonwick * the log chain won't be anchored. 5683b24ab676SJeff Bonwick */ 5684b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5685b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 56865002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5687fa9e4066Sahrens } 5688fa9e4066Sahrens 5689ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5690fa9e4066Sahrens 5691b24ab676SJeff Bonwick /* 5692b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5693b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5694b24ab676SJeff Bonwick */ 5695b24ab676SJeff Bonwick spa_freeze(spa); 5696e14bb325SJeff Bonwick 5697b24ab676SJeff Bonwick /* 5698b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5699b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5700b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5701b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5702b24ab676SJeff Bonwick * The ZIL should be OK with that. 5703b24ab676SJeff Bonwick */ 5704420dfc95SChris Siden while (ztest_random(10) != 0 && 5705420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5706b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5707b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5708b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5709b24ab676SJeff Bonwick } 5710e14bb325SJeff Bonwick 5711fa9e4066Sahrens /* 5712b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5713fa9e4066Sahrens */ 57145002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5715b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5716fa9e4066Sahrens 5717b24ab676SJeff Bonwick /* 5718b24ab676SJeff Bonwick * Close our dataset and close the pool. 5719b24ab676SJeff Bonwick */ 5720420dfc95SChris Siden ztest_dataset_close(0); 5721e05725b1Sbonwick spa_close(spa, FTAG); 5722b24ab676SJeff Bonwick kernel_fini(); 5723e05725b1Sbonwick 5724b24ab676SJeff Bonwick /* 5725b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5726b24ab676SJeff Bonwick */ 5727b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5728b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5729ce636f8bSMatthew Ahrens ASSERT(spa_freeze_txg(spa) == UINT64_MAX); 5730b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5731420dfc95SChris Siden ztest_dataset_close(0); 5732dfbb9432SGeorge Wilson 5733dfbb9432SGeorge Wilson spa->spa_debug = B_TRUE; 5734dfbb9432SGeorge Wilson ztest_spa = spa; 5735dfbb9432SGeorge Wilson txg_wait_synced(spa_get_dsl(spa), 0); 5736dfbb9432SGeorge Wilson ztest_reguid(NULL, 0); 5737dfbb9432SGeorge Wilson 5738b24ab676SJeff Bonwick spa_close(spa, FTAG); 5739fa9e4066Sahrens kernel_fini(); 5740fa9e4066Sahrens } 5741fa9e4066Sahrens 5742fa9e4066Sahrens void 5743fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5744fa9e4066Sahrens { 5745fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5746fa9e4066Sahrens hrtime_t m = s / 60; 5747fa9e4066Sahrens hrtime_t h = m / 60; 5748fa9e4066Sahrens hrtime_t d = h / 24; 5749fa9e4066Sahrens 5750fa9e4066Sahrens s -= m * 60; 5751fa9e4066Sahrens m -= h * 60; 5752fa9e4066Sahrens h -= d * 24; 5753fa9e4066Sahrens 5754fa9e4066Sahrens timebuf[0] = '\0'; 5755fa9e4066Sahrens 5756fa9e4066Sahrens if (d) 5757fa9e4066Sahrens (void) sprintf(timebuf, 5758fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5759fa9e4066Sahrens else if (h) 5760fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5761fa9e4066Sahrens else if (m) 5762fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5763fa9e4066Sahrens else 5764fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5765fa9e4066Sahrens } 5766fa9e4066Sahrens 57671195e687SMark J Musante static nvlist_t * 57681195e687SMark J Musante make_random_props() 57691195e687SMark J Musante { 57701195e687SMark J Musante nvlist_t *props; 57711195e687SMark J Musante 57721195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5773ad135b5dSChristopher Siden if (ztest_random(2) == 0) 5774ad135b5dSChristopher Siden return (props); 57751195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 57761195e687SMark J Musante 57771195e687SMark J Musante return (props); 57781195e687SMark J Musante } 57791195e687SMark J Musante 5780fa9e4066Sahrens /* 5781fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5782b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5783fa9e4066Sahrens */ 5784fa9e4066Sahrens static void 5785b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5786fa9e4066Sahrens { 5787fa9e4066Sahrens spa_t *spa; 57881195e687SMark J Musante nvlist_t *nvroot, *props; 5789fa9e4066Sahrens 5790420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5791420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5792b24ab676SJeff Bonwick 5793fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5794fa9e4066Sahrens 5795fa9e4066Sahrens /* 5796fa9e4066Sahrens * Create the storage pool. 5797fa9e4066Sahrens */ 5798420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 579988ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 58001195e687SMark J Musante zs->zs_splits = 0; 5801420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 580225345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0, 5803420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 58041195e687SMark J Musante props = make_random_props(); 5805ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 5806ad135b5dSChristopher Siden char buf[1024]; 5807ad135b5dSChristopher Siden (void) snprintf(buf, sizeof (buf), "feature@%s", 5808ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 5809b420f3adSRichard Lowe VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0)); 5810ad135b5dSChristopher Siden } 5811b420f3adSRichard Lowe VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, NULL)); 5812fa9e4066Sahrens nvlist_free(nvroot); 5813fa9e4066Sahrens 5814b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5815420dfc95SChris Siden zs->zs_metaslab_sz = 5816420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5817ad135b5dSChristopher Siden 5818fa9e4066Sahrens spa_close(spa, FTAG); 5819fa9e4066Sahrens 5820fa9e4066Sahrens kernel_fini(); 5821b24ab676SJeff Bonwick 5822420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5823420dfc95SChris Siden 5824420dfc95SChris Siden ztest_freeze(); 5825420dfc95SChris Siden 5826420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5827420dfc95SChris Siden 5828420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5829420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5830420dfc95SChris Siden } 5831420dfc95SChris Siden 5832420dfc95SChris Siden static void 5833741652b0SEtienne Dechamps setup_data_fd(void) 5834420dfc95SChris Siden { 5835741652b0SEtienne Dechamps static char ztest_name_data[] = "/tmp/ztest.data.XXXXXX"; 5836420dfc95SChris Siden 5837741652b0SEtienne Dechamps ztest_fd_data = mkstemp(ztest_name_data); 5838741652b0SEtienne Dechamps ASSERT3S(ztest_fd_data, >=, 0); 5839741652b0SEtienne Dechamps (void) unlink(ztest_name_data); 5840420dfc95SChris Siden } 5841420dfc95SChris Siden 5842741652b0SEtienne Dechamps 5843ad135b5dSChristopher Siden static int 5844ad135b5dSChristopher Siden shared_data_size(ztest_shared_hdr_t *hdr) 5845ad135b5dSChristopher Siden { 5846ad135b5dSChristopher Siden int size; 5847ad135b5dSChristopher Siden 5848ad135b5dSChristopher Siden size = hdr->zh_hdr_size; 5849ad135b5dSChristopher Siden size += hdr->zh_opts_size; 5850ad135b5dSChristopher Siden size += hdr->zh_size; 5851ad135b5dSChristopher Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5852ad135b5dSChristopher Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5853ad135b5dSChristopher Siden 5854ad135b5dSChristopher Siden return (size); 5855ad135b5dSChristopher Siden } 5856ad135b5dSChristopher Siden 5857420dfc95SChris Siden static void 5858420dfc95SChris Siden setup_hdr(void) 5859420dfc95SChris Siden { 5860ad135b5dSChristopher Siden int size; 5861420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5862420dfc95SChris Siden 5863420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5864741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5865420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5866420dfc95SChris Siden 5867741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, sizeof (ztest_shared_hdr_t))); 5868ad135b5dSChristopher Siden 5869420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5870420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5871420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5872420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5873420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5874420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5875420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5876420dfc95SChris Siden 5877ad135b5dSChristopher Siden size = shared_data_size(hdr); 5878741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, size)); 5879ad135b5dSChristopher Siden 5880420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5881420dfc95SChris Siden } 5882420dfc95SChris Siden 5883420dfc95SChris Siden static void 5884420dfc95SChris Siden setup_data(void) 5885420dfc95SChris Siden { 5886420dfc95SChris Siden int size, offset; 5887420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5888420dfc95SChris Siden uint8_t *buf; 5889420dfc95SChris Siden 5890420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5891741652b0SEtienne Dechamps PROT_READ, MAP_SHARED, ztest_fd_data, 0); 5892420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5893420dfc95SChris Siden 5894ad135b5dSChristopher Siden size = shared_data_size(hdr); 5895420dfc95SChris Siden 5896420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5897420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5898741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5899420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5900420dfc95SChris Siden buf = (uint8_t *)hdr; 5901420dfc95SChris Siden 5902420dfc95SChris Siden offset = hdr->zh_hdr_size; 5903420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5904420dfc95SChris Siden offset += hdr->zh_opts_size; 5905420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5906420dfc95SChris Siden offset += hdr->zh_size; 5907420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5908420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5909420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5910420dfc95SChris Siden } 5911420dfc95SChris Siden 5912420dfc95SChris Siden static boolean_t 5913420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5914420dfc95SChris Siden { 5915420dfc95SChris Siden pid_t pid; 5916420dfc95SChris Siden int status; 5917741652b0SEtienne Dechamps char *cmdbuf = NULL; 5918420dfc95SChris Siden 5919420dfc95SChris Siden pid = fork(); 5920420dfc95SChris Siden 5921420dfc95SChris Siden if (cmd == NULL) { 5922741652b0SEtienne Dechamps cmdbuf = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 5923741652b0SEtienne Dechamps (void) strlcpy(cmdbuf, getexecname(), MAXPATHLEN); 5924420dfc95SChris Siden cmd = cmdbuf; 5925420dfc95SChris Siden } 5926b24ab676SJeff Bonwick 5927420dfc95SChris Siden if (pid == -1) 5928420dfc95SChris Siden fatal(1, "fork failed"); 5929b24ab676SJeff Bonwick 5930420dfc95SChris Siden if (pid == 0) { /* child */ 5931420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 5932741652b0SEtienne Dechamps char fd_data_str[12]; 593326cb54a9SGeorge Wilson 5934420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5935420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5936741652b0SEtienne Dechamps 5937741652b0SEtienne Dechamps (void) close(ztest_fd_rand); 5938741652b0SEtienne Dechamps VERIFY3U(11, >=, 5939741652b0SEtienne Dechamps snprintf(fd_data_str, 12, "%d", ztest_fd_data)); 5940741652b0SEtienne Dechamps VERIFY0(setenv("ZTEST_FD_DATA", fd_data_str, 1)); 5941741652b0SEtienne Dechamps 5942420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5943420dfc95SChris Siden if (libpath != NULL) 5944420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5945420dfc95SChris Siden (void) execv(cmd, emptyargv); 5946420dfc95SChris Siden ztest_dump_core = B_FALSE; 5947420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5948420dfc95SChris Siden } 5949420dfc95SChris Siden 5950741652b0SEtienne Dechamps if (cmdbuf != NULL) { 5951741652b0SEtienne Dechamps umem_free(cmdbuf, MAXPATHLEN); 5952741652b0SEtienne Dechamps cmd = NULL; 5953741652b0SEtienne Dechamps } 5954741652b0SEtienne Dechamps 5955420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5956420dfc95SChris Siden continue; 5957420dfc95SChris Siden if (statusp != NULL) 5958420dfc95SChris Siden *statusp = status; 5959420dfc95SChris Siden 5960420dfc95SChris Siden if (WIFEXITED(status)) { 5961420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5962420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5963420dfc95SChris Siden WEXITSTATUS(status)); 5964420dfc95SChris Siden exit(2); 5965420dfc95SChris Siden } 5966420dfc95SChris Siden return (B_FALSE); 5967420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5968420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5969420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5970420dfc95SChris Siden WTERMSIG(status)); 5971420dfc95SChris Siden exit(3); 5972420dfc95SChris Siden } 5973420dfc95SChris Siden return (B_TRUE); 5974420dfc95SChris Siden } else { 5975420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5976420dfc95SChris Siden exit(4); 5977420dfc95SChris Siden /* NOTREACHED */ 5978420dfc95SChris Siden } 5979420dfc95SChris Siden } 5980420dfc95SChris Siden 5981420dfc95SChris Siden static void 5982420dfc95SChris Siden ztest_run_init(void) 5983420dfc95SChris Siden { 5984420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5985420dfc95SChris Siden 5986420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5987420dfc95SChris Siden 5988420dfc95SChris Siden /* 5989420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5990420dfc95SChris Siden */ 5991420dfc95SChris Siden (void) remove(spa_config_path); 5992420dfc95SChris Siden 5993420dfc95SChris Siden /* 5994420dfc95SChris Siden * Create and initialize our storage pool. 5995420dfc95SChris Siden */ 5996420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5997420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5998420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 5999420dfc95SChris Siden ztest_opts.zo_init != 1) { 6000420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 6001420dfc95SChris Siden } 6002420dfc95SChris Siden ztest_init(zs); 6003420dfc95SChris Siden } 6004fa9e4066Sahrens } 6005fa9e4066Sahrens 6006fa9e4066Sahrens int 6007fa9e4066Sahrens main(int argc, char **argv) 6008fa9e4066Sahrens { 6009fa9e4066Sahrens int kills = 0; 6010fa9e4066Sahrens int iters = 0; 6011420dfc95SChris Siden int older = 0; 6012420dfc95SChris Siden int newer = 0; 6013fa9e4066Sahrens ztest_shared_t *zs; 6014fa9e4066Sahrens ztest_info_t *zi; 6015420dfc95SChris Siden ztest_shared_callstate_t *zc; 6016fa9e4066Sahrens char timebuf[100]; 6017fa9e4066Sahrens char numbuf[6]; 6018b24ab676SJeff Bonwick spa_t *spa; 6019741652b0SEtienne Dechamps char *cmd; 6020420dfc95SChris Siden boolean_t hasalt; 6021741652b0SEtienne Dechamps char *fd_data_str = getenv("ZTEST_FD_DATA"); 6022fa9e4066Sahrens 6023fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 6024fa9e4066Sahrens 6025cd1c8b85SMatthew Ahrens dprintf_setup(&argc, argv); 6026cd1c8b85SMatthew Ahrens 6027741652b0SEtienne Dechamps ztest_fd_rand = open("/dev/urandom", O_RDONLY); 6028741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 6029741652b0SEtienne Dechamps 6030741652b0SEtienne Dechamps if (!fd_data_str) { 6031420dfc95SChris Siden process_options(argc, argv); 6032fa9e4066Sahrens 6033741652b0SEtienne Dechamps setup_data_fd(); 6034420dfc95SChris Siden setup_hdr(); 6035420dfc95SChris Siden setup_data(); 6036420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 6037420dfc95SChris Siden sizeof (*ztest_shared_opts)); 6038420dfc95SChris Siden } else { 6039741652b0SEtienne Dechamps ztest_fd_data = atoi(fd_data_str); 6040420dfc95SChris Siden setup_data(); 6041420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 6042420dfc95SChris Siden } 6043420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 6044fa9e4066Sahrens 6045f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 6046741652b0SEtienne Dechamps VERIFY3U(asprintf((char **)&spa_config_path, "%s/zpool.cache", 6047741652b0SEtienne Dechamps ztest_opts.zo_dir), !=, -1); 6048f0ba89beSJeff Bonwick 6049420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 6050420dfc95SChris Siden UMEM_NOFAIL); 6051420dfc95SChris Siden zs = ztest_shared; 6052ea8dc4b6Seschrock 6053741652b0SEtienne Dechamps if (fd_data_str) { 6054420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 6055420dfc95SChris Siden metaslab_df_alloc_threshold = 6056420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 6057b24ab676SJeff Bonwick 6058420dfc95SChris Siden if (zs->zs_do_init) 6059420dfc95SChris Siden ztest_run_init(); 6060420dfc95SChris Siden else 6061420dfc95SChris Siden ztest_run(zs); 6062420dfc95SChris Siden exit(0); 6063420dfc95SChris Siden } 6064fa9e4066Sahrens 6065420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 6066420dfc95SChris Siden 6067420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6068fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 6069fa9e4066Sahrens " %llu seconds...\n", 6070420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 6071420dfc95SChris Siden ztest_opts.zo_datasets, 6072420dfc95SChris Siden ztest_opts.zo_threads, 6073420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 6074fa9e4066Sahrens } 6075fa9e4066Sahrens 6076741652b0SEtienne Dechamps cmd = umem_alloc(MAXNAMELEN, UMEM_NOFAIL); 6077741652b0SEtienne Dechamps (void) strlcpy(cmd, getexecname(), MAXNAMELEN); 6078420dfc95SChris Siden 6079420dfc95SChris Siden zs->zs_do_init = B_TRUE; 6080420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 6081420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6082420dfc95SChris Siden (void) printf("Executing older ztest for " 6083420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 6084420dfc95SChris Siden } 6085420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 6086420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 6087420dfc95SChris Siden } else { 6088420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 6089fa9e4066Sahrens } 6090420dfc95SChris Siden zs->zs_do_init = B_FALSE; 6091fa9e4066Sahrens 6092b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 6093420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 6094fa9e4066Sahrens 6095b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6096420dfc95SChris Siden zi = &ztest_info[f]; 6097420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6098b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 6099420dfc95SChris Siden zc->zc_next = UINT64_MAX; 6100fa9e4066Sahrens else 6101420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 6102b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 6103fa9e4066Sahrens } 6104fa9e4066Sahrens 6105fa9e4066Sahrens /* 6106fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 6107fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 6108fa9e4066Sahrens * to verify that we never lose on-disk consistency. 6109fa9e4066Sahrens */ 6110b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 6111fa9e4066Sahrens int status; 6112420dfc95SChris Siden boolean_t killed; 6113fa9e4066Sahrens 6114fa9e4066Sahrens /* 6115fa9e4066Sahrens * Initialize the workload counters for each function. 6116fa9e4066Sahrens */ 6117b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6118420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6119420dfc95SChris Siden zc->zc_count = 0; 6120420dfc95SChris Siden zc->zc_time = 0; 6121fa9e4066Sahrens } 6122fa9e4066Sahrens 6123d6e555bdSGeorge Wilson /* Set the allocation switch size */ 6124420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 6125420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 6126fa9e4066Sahrens 6127420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 6128420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6129420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 6130420dfc95SChris Siden cmd); 6131fa9e4066Sahrens } 6132420dfc95SChris Siden newer++; 6133420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 61345ad82045Snd } else { 6135420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6136420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 6137420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6138420dfc95SChris Siden } 6139420dfc95SChris Siden older++; 6140420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 6141420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 6142fa9e4066Sahrens } 6143fa9e4066Sahrens 6144420dfc95SChris Siden if (killed) 6145420dfc95SChris Siden kills++; 6146fa9e4066Sahrens iters++; 6147fa9e4066Sahrens 6148420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6149fa9e4066Sahrens hrtime_t now = gethrtime(); 6150fa9e4066Sahrens 6151b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 6152b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 6153fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 6154fa9e4066Sahrens 6155fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 6156fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 6157fa9e4066Sahrens iters, 6158fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 6159fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 6160fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 6161fa9e4066Sahrens numbuf, 6162b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 6163420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 6164fa9e4066Sahrens } 6165fa9e4066Sahrens 6166420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 6167fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 6168fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6169fa9e4066Sahrens "Calls", "Time", "Function"); 6170fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6171fa9e4066Sahrens "-----", "----", "--------"); 6172b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6173fa9e4066Sahrens Dl_info dli; 6174fa9e4066Sahrens 6175420dfc95SChris Siden zi = &ztest_info[f]; 6176420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6177420dfc95SChris Siden print_time(zc->zc_time, timebuf); 6178fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 6179fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 6180420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 6181fa9e4066Sahrens dli.dli_sname); 6182fa9e4066Sahrens } 6183fa9e4066Sahrens (void) printf("\n"); 6184fa9e4066Sahrens } 6185fa9e4066Sahrens 6186fa9e4066Sahrens /* 6187b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 6188b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 6189b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 6190fa9e4066Sahrens */ 6191b24ab676SJeff Bonwick kernel_init(FREAD); 6192420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 6193b24ab676SJeff Bonwick spa_close(spa, FTAG); 6194b24ab676SJeff Bonwick } else { 6195b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 6196b24ab676SJeff Bonwick kernel_fini(); 6197b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 6198b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 6199420dfc95SChris Siden ztest_opts.zo_pool); 6200420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 6201b24ab676SJeff Bonwick } 6202fa9e4066Sahrens kernel_fini(); 6203fa9e4066Sahrens 6204420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 6205b24ab676SJeff Bonwick } 6206fa9e4066Sahrens 6207420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6208420dfc95SChris Siden if (hasalt) { 6209420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 6210420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6211420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 6212420dfc95SChris Siden cmd); 6213420dfc95SChris Siden } 6214fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 6215fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 6216fa9e4066Sahrens } 6217fa9e4066Sahrens 6218741652b0SEtienne Dechamps umem_free(cmd, MAXNAMELEN); 6219741652b0SEtienne Dechamps 6220fa9e4066Sahrens return (0); 6221fa9e4066Sahrens } 6222